Home / 476,735,655.72-714,717,755.10-149,042,574.12

Finding the Fourth Proportional to 476,735,655.72, 714,717,755.10 and 149,042,574.12

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Solution

The fourth proportional to 476,735,655.72, 714,717,755.10 and 149,042,574.12 is: 223,443,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,735,655.72 : 714,717,755.10 = 149,042,574.12 : x
  2. Step 2: Convert to fraction form
    476,735,655.72/714,717,755.10 = 149,042,574.12/x
  3. Step 3: Cross multiply
    476,735,655.72x = 714,717,755.10 × 149,042,574.12
  4. Step 4: Simplify right side
    476,735,655.72x = 106,523,373,989,371,760
  5. Step 5: Solve for x
    x = 106,523,373,989,371,760/476,735,655.72
  6. Step 6: Final answer
    x = 223,443,270.31

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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.