Home / 631,153,505.20-946,730,257.80-355,654,490.80

Finding the Fourth Proportional to 631,153,505.20, 946,730,257.80 and 355,654,490.80

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Solution

The fourth proportional to 631,153,505.20, 946,730,257.80 and 355,654,490.80 is: 533,481,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,153,505.20 : 946,730,257.80 = 355,654,490.80 : x
  2. Step 2: Convert to fraction form
    631,153,505.20/946,730,257.80 = 355,654,490.80/x
  3. Step 3: Cross multiply
    631,153,505.20x = 946,730,257.80 × 355,654,490.80
  4. Step 4: Simplify right side
    631,153,505.20x = 336,708,867,762,811,712
  5. Step 5: Solve for x
    x = 336,708,867,762,811,712/631,153,505.20
  6. Step 6: Final answer
    x = 533,481,736.20

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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.