Home / 724,042,857.70-1,086,064,286.55-433,805,212.90

Finding the Fourth Proportional to 724,042,857.70, 1,086,064,286.55 and 433,805,212.90

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Solution

The fourth proportional to 724,042,857.70, 1,086,064,286.55 and 433,805,212.90 is: 650,707,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,042,857.70 : 1,086,064,286.55 = 433,805,212.90 : x
  2. Step 2: Convert to fraction form
    724,042,857.70/1,086,064,286.55 = 433,805,212.90/x
  3. Step 3: Cross multiply
    724,042,857.70x = 1,086,064,286.55 × 433,805,212.90
  4. Step 4: Simplify right side
    724,042,857.70x = 471,140,349,049,909,312
  5. Step 5: Solve for x
    x = 471,140,349,049,909,312/724,042,857.70
  6. Step 6: Final answer
    x = 650,707,819.35

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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.