Home / 963,627,796.43-1,329,688,792.50-540,143,721.17

Finding the Fourth Proportional to 963,627,796.43, 1,329,688,792.50 and 540,143,721.17

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Solution

The fourth proportional to 963,627,796.43, 1,329,688,792.50 and 540,143,721.17 is: 745,332,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,627,796.43 : 1,329,688,792.50 = 540,143,721.17 : x
  2. Step 2: Convert to fraction form
    963,627,796.43/1,329,688,792.50 = 540,143,721.17/x
  3. Step 3: Cross multiply
    963,627,796.43x = 1,329,688,792.50 × 540,143,721.17
  4. Step 4: Simplify right side
    963,627,796.43x = 718,223,052,372,345,472
  5. Step 5: Solve for x
    x = 718,223,052,372,345,472/963,627,796.43
  6. Step 6: Final answer
    x = 745,332,435.45

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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.