Home / 453,197,019.30-679,795,528.95-146,709,089.70

Finding the Fourth Proportional to 453,197,019.30, 679,795,528.95 and 146,709,089.70

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Solution

The fourth proportional to 453,197,019.30, 679,795,528.95 and 146,709,089.70 is: 220,063,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,197,019.30 : 679,795,528.95 = 146,709,089.70 : x
  2. Step 2: Convert to fraction form
    453,197,019.30/679,795,528.95 = 146,709,089.70/x
  3. Step 3: Cross multiply
    453,197,019.30x = 679,795,528.95 × 146,709,089.70
  4. Step 4: Simplify right side
    453,197,019.30x = 99,732,183,234,384,496
  5. Step 5: Solve for x
    x = 99,732,183,234,384,496/453,197,019.30
  6. Step 6: Final answer
    x = 220,063,634.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.