Home / 1,282,912,325.02-1,770,419,008.02-696,201,461.02

Finding the Fourth Proportional to 1,282,912,325.02, 1,770,419,008.02 and 696,201,461.02

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Solution

The fourth proportional to 1,282,912,325.02, 1,770,419,008.02 and 696,201,461.02 is: 960,758,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,912,325.02 : 1,770,419,008.02 = 696,201,461.02 : x
  2. Step 2: Convert to fraction form
    1,282,912,325.02/1,770,419,008.02 = 696,201,461.02/x
  3. Step 3: Cross multiply
    1,282,912,325.02x = 1,770,419,008.02 × 696,201,461.02
  4. Step 4: Simplify right side
    1,282,912,325.02x = 1,232,568,300,001,103,104
  5. Step 5: Solve for x
    x = 1,232,568,300,001,103,104/1,282,912,325.02
  6. Step 6: Final answer
    x = 960,758,015.93

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Double scale
Find fourth proportional to 1,282,912,326.02, 1,770,419,009.40 and 696,201,462.02
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.