Home / 1,165,347,925.16-1,608,161,113.86-636,700,534.16

Finding the Fourth Proportional to 1,165,347,925.16, 1,608,161,113.86 and 636,700,534.16

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Solution

The fourth proportional to 1,165,347,925.16, 1,608,161,113.86 and 636,700,534.16 is: 878,636,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,347,925.16 : 1,608,161,113.86 = 636,700,534.16 : x
  2. Step 2: Convert to fraction form
    1,165,347,925.16/1,608,161,113.86 = 636,700,534.16/x
  3. Step 3: Cross multiply
    1,165,347,925.16x = 1,608,161,113.86 × 636,700,534.16
  4. Step 4: Simplify right side
    1,165,347,925.16x = 1,023,917,040,210,002,432
  5. Step 5: Solve for x
    x = 1,023,917,040,210,002,432/1,165,347,925.16
  6. Step 6: Final answer
    x = 878,636,343.79

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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.