Home / 462,165,486.65-637,853,771.90-286,010,214.47

Finding the Fourth Proportional to 462,165,486.65, 637,853,771.90 and 286,010,214.47

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Solution

The fourth proportional to 462,165,486.65, 637,853,771.90 and 286,010,214.47 is: 394,734,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,165,486.65 : 637,853,771.90 = 286,010,214.47 : x
  2. Step 2: Convert to fraction form
    462,165,486.65/637,853,771.90 = 286,010,214.47/x
  3. Step 3: Cross multiply
    462,165,486.65x = 637,853,771.90 × 286,010,214.47
  4. Step 4: Simplify right side
    462,165,486.65x = 182,432,694,101,617,472
  5. Step 5: Solve for x
    x = 182,432,694,101,617,472/462,165,486.65
  6. Step 6: Final answer
    x = 394,734,568.83

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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.