Home / 1,165,347,920.16-1,608,161,106.96-636,700,529.16

Finding the Fourth Proportional to 1,165,347,920.16, 1,608,161,106.96 and 636,700,529.16

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Solution

The fourth proportional to 1,165,347,920.16, 1,608,161,106.96 and 636,700,529.16 is: 878,636,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,347,920.16 : 1,608,161,106.96 = 636,700,529.16 : x
  2. Step 2: Convert to fraction form
    1,165,347,920.16/1,608,161,106.96 = 636,700,529.16/x
  3. Step 3: Cross multiply
    1,165,347,920.16x = 1,608,161,106.96 × 636,700,529.16
  4. Step 4: Simplify right side
    1,165,347,920.16x = 1,023,917,027,775,963,392
  5. Step 5: Solve for x
    x = 1,023,917,027,775,963,392/1,165,347,920.16
  6. Step 6: Final answer
    x = 878,636,336.89

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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.