Home / 395,209,980.80-592,389,818.40-149,471,662.40

Finding the Fourth Proportional to 395,209,980.80, 592,389,818.40 and 149,471,662.40

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Solution

The fourth proportional to 395,209,980.80, 592,389,818.40 and 149,471,662.40 is: 224,046,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,209,980.80 : 592,389,818.40 = 149,471,662.40 : x
  2. Step 2: Convert to fraction form
    395,209,980.80/592,389,818.40 = 149,471,662.40/x
  3. Step 3: Cross multiply
    395,209,980.80x = 592,389,818.40 × 149,471,662.40
  4. Step 4: Simplify right side
    395,209,980.80x = 88,545,490,945,082,112
  5. Step 5: Solve for x
    x = 88,545,490,945,082,112/395,209,980.80
  6. Step 6: Final answer
    x = 224,046,697.32

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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.