Home / 563,648,000.80-845,472,001.20-257,537,984.80

Finding the Fourth Proportional to 563,648,000.80, 845,472,001.20 and 257,537,984.80

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Solution

The fourth proportional to 563,648,000.80, 845,472,001.20 and 257,537,984.80 is: 386,306,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,648,000.80 : 845,472,001.20 = 257,537,984.80 : x
  2. Step 2: Convert to fraction form
    563,648,000.80/845,472,001.20 = 257,537,984.80/x
  3. Step 3: Cross multiply
    563,648,000.80x = 845,472,001.20 × 257,537,984.80
  4. Step 4: Simplify right side
    563,648,000.80x = 217,741,155,393,871,200
  5. Step 5: Solve for x
    x = 217,741,155,393,871,200/563,648,000.80
  6. Step 6: Final answer
    x = 386,306,977.20

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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.