Home / 358,176,031.20-537,264,046.80-280,241,848.80

Finding the Fourth Proportional to 358,176,031.20, 537,264,046.80 and 280,241,848.80

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Solution

The fourth proportional to 358,176,031.20, 537,264,046.80 and 280,241,848.80 is: 420,362,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,176,031.20 : 537,264,046.80 = 280,241,848.80 : x
  2. Step 2: Convert to fraction form
    358,176,031.20/537,264,046.80 = 280,241,848.80/x
  3. Step 3: Cross multiply
    358,176,031.20x = 537,264,046.80 × 280,241,848.80
  4. Step 4: Simplify right side
    358,176,031.20x = 150,563,869,769,001,728
  5. Step 5: Solve for x
    x = 150,563,869,769,001,728/358,176,031.20
  6. Step 6: Final answer
    x = 420,362,773.20

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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.