Home / 700,572,351.50-966,810,022.70-387,326,743.64

Finding the Fourth Proportional to 700,572,351.50, 966,810,022.70 and 387,326,743.64

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Solution

The fourth proportional to 700,572,351.50, 966,810,022.70 and 387,326,743.64 is: 534,522,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,572,351.50 : 966,810,022.70 = 387,326,743.64 : x
  2. Step 2: Convert to fraction form
    700,572,351.50/966,810,022.70 = 387,326,743.64/x
  3. Step 3: Cross multiply
    700,572,351.50x = 966,810,022.70 × 387,326,743.64
  4. Step 4: Simplify right side
    700,572,351.50x = 374,471,377,810,905,472
  5. Step 5: Solve for x
    x = 374,471,377,810,905,472/700,572,351.50
  6. Step 6: Final answer
    x = 534,522,061.87

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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.