Home / 956,930,139-1,320,564,123.18-516,896,995.32

Finding the Fourth Proportional to 956,930,139, 1,320,564,123.18 and 516,896,995.32

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Solution

The fourth proportional to 956,930,139, 1,320,564,123.18 and 516,896,995.32 is: 713,318,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,930,139 : 1,320,564,123.18 = 516,896,995.32 : x
  2. Step 2: Convert to fraction form
    956,930,139/1,320,564,123.18 = 516,896,995.32/x
  3. Step 3: Cross multiply
    956,930,139x = 1,320,564,123.18 × 516,896,995.32
  4. Step 4: Simplify right side
    956,930,139x = 682,595,627,399,132,416
  5. Step 5: Solve for x
    x = 682,595,627,399,132,416/956,930,139
  6. Step 6: Final answer
    x = 713,318,140.56

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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.