Home / 954,637,209.75-1,317,389,831.25-531,243,618.88

Finding the Fourth Proportional to 954,637,209.75, 1,317,389,831.25 and 531,243,618.88

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Solution

The fourth proportional to 954,637,209.75, 1,317,389,831.25 and 531,243,618.88 is: 733,110,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,637,209.75 : 1,317,389,831.25 = 531,243,618.88 : x
  2. Step 2: Convert to fraction form
    954,637,209.75/1,317,389,831.25 = 531,243,618.88/x
  3. Step 3: Cross multiply
    954,637,209.75x = 1,317,389,831.25 × 531,243,618.88
  4. Step 4: Simplify right side
    954,637,209.75x = 699,854,941,428,962,560
  5. Step 5: Solve for x
    x = 699,854,941,428,962,560/954,637,209.75
  6. Step 6: Final answer
    x = 733,110,897.29

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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.