Home / 711,231,708.40-981,652,229.40-432,862,883.44

Finding the Fourth Proportional to 711,231,708.40, 981,652,229.40 and 432,862,883.44

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Solution

The fourth proportional to 711,231,708.40, 981,652,229.40 and 432,862,883.44 is: 597,443,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,231,708.40 : 981,652,229.40 = 432,862,883.44 : x
  2. Step 2: Convert to fraction form
    711,231,708.40/981,652,229.40 = 432,862,883.44/x
  3. Step 3: Cross multiply
    711,231,708.40x = 981,652,229.40 × 432,862,883.44
  4. Step 4: Simplify right side
    711,231,708.40x = 424,920,814,553,388,352
  5. Step 5: Solve for x
    x = 424,920,814,553,388,352/711,231,708.40
  6. Step 6: Final answer
    x = 597,443,575.05

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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.