Home / 719,457,104.72-992,436,369.18-433,149,309.38

Finding the Fourth Proportional to 719,457,104.72, 992,436,369.18 and 433,149,309.38

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Solution

The fourth proportional to 719,457,104.72, 992,436,369.18 and 433,149,309.38 is: 597,496,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,457,104.72 : 992,436,369.18 = 433,149,309.38 : x
  2. Step 2: Convert to fraction form
    719,457,104.72/992,436,369.18 = 433,149,309.38/x
  3. Step 3: Cross multiply
    719,457,104.72x = 992,436,369.18 × 433,149,309.38
  4. Step 4: Simplify right side
    719,457,104.72x = 429,873,127,913,911,680
  5. Step 5: Solve for x
    x = 429,873,127,913,911,680/719,457,104.72
  6. Step 6: Final answer
    x = 597,496,536.06

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Double scale
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1.5x scale

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.