Home / 473,319,143.50-709,945,043.55-145,760,500.66

Finding the Fourth Proportional to 473,319,143.50, 709,945,043.55 and 145,760,500.66

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Solution

The fourth proportional to 473,319,143.50, 709,945,043.55 and 145,760,500.66 is: 218,630,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,319,143.50 : 709,945,043.55 = 145,760,500.66 : x
  2. Step 2: Convert to fraction form
    473,319,143.50/709,945,043.55 = 145,760,500.66/x
  3. Step 3: Cross multiply
    473,319,143.50x = 709,945,043.55 × 145,760,500.66
  4. Step 4: Simplify right side
    473,319,143.50x = 103,481,944,988,933,488
  5. Step 5: Solve for x
    x = 103,481,944,988,933,488/473,319,143.50
  6. Step 6: Final answer
    x = 218,630,381.66

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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.