Home / 1,060,841,315.10-1,591,261,972.65-802,560,989.10

Finding the Fourth Proportional to 1,060,841,315.10, 1,591,261,972.65 and 802,560,989.10

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Solution

The fourth proportional to 1,060,841,315.10, 1,591,261,972.65 and 802,560,989.10 is: 1,203,841,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,841,315.10 : 1,591,261,972.65 = 802,560,989.10 : x
  2. Step 2: Convert to fraction form
    1,060,841,315.10/1,591,261,972.65 = 802,560,989.10/x
  3. Step 3: Cross multiply
    1,060,841,315.10x = 1,591,261,972.65 × 802,560,989.10
  4. Step 4: Simplify right side
    1,060,841,315.10x = 1,277,084,782,687,201,280
  5. Step 5: Solve for x
    x = 1,277,084,782,687,201,280/1,060,841,315.10
  6. Step 6: Final answer
    x = 1,203,841,483.65

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Half scale
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Double scale
Find fourth proportional to 1,060,841,316.10, 1,591,261,974.15 and 802,560,990.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.