Home / 914,587,329.20-1,262,130,512.42-518,110,318.22

Finding the Fourth Proportional to 914,587,329.20, 1,262,130,512.42 and 518,110,318.22

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Solution

The fourth proportional to 914,587,329.20, 1,262,130,512.42 and 518,110,318.22 is: 714,992,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587,329.20 : 1,262,130,512.42 = 518,110,318.22 : x
  2. Step 2: Convert to fraction form
    914,587,329.20/1,262,130,512.42 = 518,110,318.22/x
  3. Step 3: Cross multiply
    914,587,329.20x = 1,262,130,512.42 × 518,110,318.22
  4. Step 4: Simplify right side
    914,587,329.20x = 653,922,841,420,082,432
  5. Step 5: Solve for x
    x = 653,922,841,420,082,432/914,587,329.20
  6. Step 6: Final answer
    x = 714,992,238.08

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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.