Home / 476,739,852.39-714,723,874.74-149,046,688.78

Finding the Fourth Proportional to 476,739,852.39, 714,723,874.74 and 149,046,688.78

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Solution

The fourth proportional to 476,739,852.39, 714,723,874.74 and 149,046,688.78 is: 223,449,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,739,852.39 : 714,723,874.74 = 149,046,688.78 : x
  2. Step 2: Convert to fraction form
    476,739,852.39/714,723,874.74 = 149,046,688.78/x
  3. Step 3: Cross multiply
    476,739,852.39x = 714,723,874.74 × 149,046,688.78
  4. Step 4: Simplify right side
    476,739,852.39x = 106,527,226,920,221,680
  5. Step 5: Solve for x
    x = 106,527,226,920,221,680/476,739,852.39
  6. Step 6: Final answer
    x = 223,449,385.21

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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.