Home / 658,655,357.13-908,935,816.68-376,394,586.39

Finding the Fourth Proportional to 658,655,357.13, 908,935,816.68 and 376,394,586.39

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Solution

The fourth proportional to 658,655,357.13, 908,935,816.68 and 376,394,586.39 is: 519,419,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,655,357.13 : 908,935,816.68 = 376,394,586.39 : x
  2. Step 2: Convert to fraction form
    658,655,357.13/908,935,816.68 = 376,394,586.39/x
  3. Step 3: Cross multiply
    658,655,357.13x = 908,935,816.68 × 376,394,586.39
  4. Step 4: Simplify right side
    658,655,357.13x = 342,118,520,774,325,440
  5. Step 5: Solve for x
    x = 342,118,520,774,325,440/658,655,357.13
  6. Step 6: Final answer
    x = 519,419,628.29

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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.