Home / 461,811,631.20-637,058,433.36-285,543,280.48

Finding the Fourth Proportional to 461,811,631.20, 637,058,433.36 and 285,543,280.48

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Solution

The fourth proportional to 461,811,631.20, 637,058,433.36 and 285,543,280.48 is: 393,900,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,811,631.20 : 637,058,433.36 = 285,543,280.48 : x
  2. Step 2: Convert to fraction form
    461,811,631.20/637,058,433.36 = 285,543,280.48/x
  3. Step 3: Cross multiply
    461,811,631.20x = 637,058,433.36 × 285,543,280.48
  4. Step 4: Simplify right side
    461,811,631.20x = 181,907,754,919,063,872
  5. Step 5: Solve for x
    x = 181,907,754,919,063,872/461,811,631.20
  6. Step 6: Final answer
    x = 393,900,332.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.