Home / 1,165,347,926.16-1,608,161,115.24-636,700,535.16

Finding the Fourth Proportional to 1,165,347,926.16, 1,608,161,115.24 and 636,700,535.16

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Solution

The fourth proportional to 1,165,347,926.16, 1,608,161,115.24 and 636,700,535.16 is: 878,636,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,347,926.16 : 1,608,161,115.24 = 636,700,535.16 : x
  2. Step 2: Convert to fraction form
    1,165,347,926.16/1,608,161,115.24 = 636,700,535.16/x
  3. Step 3: Cross multiply
    1,165,347,926.16x = 1,608,161,115.24 × 636,700,535.16
  4. Step 4: Simplify right side
    1,165,347,926.16x = 1,023,917,042,696,810,368
  5. Step 5: Solve for x
    x = 1,023,917,042,696,810,368/1,165,347,926.16
  6. Step 6: Final answer
    x = 878,636,345.17

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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.