Home / 709,996,894.62-979,893,047.61-408,576,011.55

Finding the Fourth Proportional to 709,996,894.62, 979,893,047.61 and 408,576,011.55

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Solution

The fourth proportional to 709,996,894.62, 979,893,047.61 and 408,576,011.55 is: 563,890,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,996,894.62 : 979,893,047.61 = 408,576,011.55 : x
  2. Step 2: Convert to fraction form
    709,996,894.62/979,893,047.61 = 408,576,011.55/x
  3. Step 3: Cross multiply
    709,996,894.62x = 979,893,047.61 × 408,576,011.55
  4. Step 4: Simplify right side
    709,996,894.62x = 400,360,793,138,068,096
  5. Step 5: Solve for x
    x = 400,360,793,138,068,096/709,996,894.62
  6. Step 6: Final answer
    x = 563,890,907.37

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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.