Home / 711,231,709.90-981,652,231.47-432,862,884.94

Finding the Fourth Proportional to 711,231,709.90, 981,652,231.47 and 432,862,884.94

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Solution

The fourth proportional to 711,231,709.90, 981,652,231.47 and 432,862,884.94 is: 597,443,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,231,709.90 : 981,652,231.47 = 432,862,884.94 : x
  2. Step 2: Convert to fraction form
    711,231,709.90/981,652,231.47 = 432,862,884.94/x
  3. Step 3: Cross multiply
    711,231,709.90x = 981,652,231.47 × 432,862,884.94
  4. Step 4: Simplify right side
    711,231,709.90x = 424,920,816,921,892,864
  5. Step 5: Solve for x
    x = 424,920,816,921,892,864/711,231,709.90
  6. Step 6: Final answer
    x = 597,443,577.12

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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.