Home / 724,592,011.20-1,086,037,711.20-310,068,031.20

Finding the Fourth Proportional to 724,592,011.20, 1,086,037,711.20 and 310,068,031.20

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Solution

The fourth proportional to 724,592,011.20, 1,086,037,711.20 and 310,068,031.20 is: 464,738,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,592,011.20 : 1,086,037,711.20 = 310,068,031.20 : x
  2. Step 2: Convert to fraction form
    724,592,011.20/1,086,037,711.20 = 310,068,031.20/x
  3. Step 3: Cross multiply
    724,592,011.20x = 1,086,037,711.20 × 310,068,031.20
  4. Step 4: Simplify right side
    724,592,011.20x = 336,745,574,920,738,176
  5. Step 5: Solve for x
    x = 336,745,574,920,738,176/724,592,011.20
  6. Step 6: Final answer
    x = 464,738,183.30

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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.