Home / 681,718,822.60-1,022,578,233.90-473,110,515.40

Finding the Fourth Proportional to 681,718,822.60, 1,022,578,233.90 and 473,110,515.40

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Solution

The fourth proportional to 681,718,822.60, 1,022,578,233.90 and 473,110,515.40 is: 709,665,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,718,822.60 : 1,022,578,233.90 = 473,110,515.40 : x
  2. Step 2: Convert to fraction form
    681,718,822.60/1,022,578,233.90 = 473,110,515.40/x
  3. Step 3: Cross multiply
    681,718,822.60x = 1,022,578,233.90 × 473,110,515.40
  4. Step 4: Simplify right side
    681,718,822.60x = 483,792,515,277,250,688
  5. Step 5: Solve for x
    x = 483,792,515,277,250,688/681,718,822.60
  6. Step 6: Final answer
    x = 709,665,773.10

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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.