Home / 911,703,451.59-1,367,691,381.79-289,938,967.65

Finding the Fourth Proportional to 911,703,451.59, 1,367,691,381.79 and 289,938,967.65

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Solution

The fourth proportional to 911,703,451.59, 1,367,691,381.79 and 289,938,967.65 is: 434,951,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,703,451.59 : 1,367,691,381.79 = 289,938,967.65 : x
  2. Step 2: Convert to fraction form
    911,703,451.59/1,367,691,381.79 = 289,938,967.65/x
  3. Step 3: Cross multiply
    911,703,451.59x = 1,367,691,381.79 × 289,938,967.65
  4. Step 4: Simplify right side
    911,703,451.59x = 396,547,027,299,269,696
  5. Step 5: Solve for x
    x = 396,547,027,299,269,696/911,703,451.59
  6. Step 6: Final answer
    x = 434,951,767.06

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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.