Home / 393,403,702.61-590,097,451.08-131,107,298.60

Finding the Fourth Proportional to 393,403,702.61, 590,097,451.08 and 131,107,298.60

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Solution

The fourth proportional to 393,403,702.61, 590,097,451.08 and 131,107,298.60 is: 196,658,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,403,702.61 : 590,097,451.08 = 131,107,298.60 : x
  2. Step 2: Convert to fraction form
    393,403,702.61/590,097,451.08 = 131,107,298.60/x
  3. Step 3: Cross multiply
    393,403,702.61x = 590,097,451.08 × 131,107,298.60
  4. Step 4: Simplify right side
    393,403,702.61x = 77,366,082,721,844,448
  5. Step 5: Solve for x
    x = 77,366,082,721,844,448/393,403,702.61
  6. Step 6: Final answer
    x = 196,658,247.52

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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.