Home / 498,328,031.70-747,492,047.55-239,480,835.30

Finding the Fourth Proportional to 498,328,031.70, 747,492,047.55 and 239,480,835.30

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Solution

The fourth proportional to 498,328,031.70, 747,492,047.55 and 239,480,835.30 is: 359,221,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,328,031.70 : 747,492,047.55 = 239,480,835.30 : x
  2. Step 2: Convert to fraction form
    498,328,031.70/747,492,047.55 = 239,480,835.30/x
  3. Step 3: Cross multiply
    498,328,031.70x = 747,492,047.55 × 239,480,835.30
  4. Step 4: Simplify right side
    498,328,031.70x = 179,010,019,927,381,312
  5. Step 5: Solve for x
    x = 179,010,019,927,381,312/498,328,031.70
  6. Step 6: Final answer
    x = 359,221,252.95

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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.