Home / 631,156,980.80-946,287,573.60-242,829,761.60

Finding the Fourth Proportional to 631,156,980.80, 946,287,573.60 and 242,829,761.60

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Solution

The fourth proportional to 631,156,980.80, 946,287,573.60 and 242,829,761.60 is: 364,072,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,156,980.80 : 946,287,573.60 = 242,829,761.60 : x
  2. Step 2: Convert to fraction form
    631,156,980.80/946,287,573.60 = 242,829,761.60/x
  3. Step 3: Cross multiply
    631,156,980.80x = 946,287,573.60 × 242,829,761.60
  4. Step 4: Simplify right side
    631,156,980.80x = 229,786,785,902,330,464
  5. Step 5: Solve for x
    x = 229,786,785,902,330,464/631,156,980.80
  6. Step 6: Final answer
    x = 364,072,319.40

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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.