Home / 1,148,360,147.10-1,722,540,220.65-535,006,374.30

Finding the Fourth Proportional to 1,148,360,147.10, 1,722,540,220.65 and 535,006,374.30

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Solution

The fourth proportional to 1,148,360,147.10, 1,722,540,220.65 and 535,006,374.30 is: 802,509,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,360,147.10 : 1,722,540,220.65 = 535,006,374.30 : x
  2. Step 2: Convert to fraction form
    1,148,360,147.10/1,722,540,220.65 = 535,006,374.30/x
  3. Step 3: Cross multiply
    1,148,360,147.10x = 1,722,540,220.65 × 535,006,374.30
  4. Step 4: Simplify right side
    1,148,360,147.10x = 921,569,998,035,878,528
  5. Step 5: Solve for x
    x = 921,569,998,035,878,528/1,148,360,147.10
  6. Step 6: Final answer
    x = 802,509,561.45

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Half scale
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Double scale
Find fourth proportional to 1,148,360,148.10, 1,722,540,222.15 and 535,006,375.30
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.