Home / 702,120,510.36-968,459,650.12-451,541,885.45

Finding the Fourth Proportional to 702,120,510.36, 968,459,650.12 and 451,541,885.45

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Solution

The fourth proportional to 702,120,510.36, 968,459,650.12 and 451,541,885.45 is: 622,827,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,120,510.36 : 968,459,650.12 = 451,541,885.45 : x
  2. Step 2: Convert to fraction form
    702,120,510.36/968,459,650.12 = 451,541,885.45/x
  3. Step 3: Cross multiply
    702,120,510.36x = 968,459,650.12 × 451,541,885.45
  4. Step 4: Simplify right side
    702,120,510.36x = 437,300,096,402,238,400
  5. Step 5: Solve for x
    x = 437,300,096,402,238,400/702,120,510.36
  6. Step 6: Final answer
    x = 622,827,691.19

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Double scale
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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.