Home / 400,473,670.20-600,710,505.30-372,413,585.40

Finding the Fourth Proportional to 400,473,670.20, 600,710,505.30 and 372,413,585.40

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Solution

The fourth proportional to 400,473,670.20, 600,710,505.30 and 372,413,585.40 is: 558,620,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,473,670.20 : 600,710,505.30 = 372,413,585.40 : x
  2. Step 2: Convert to fraction form
    400,473,670.20/600,710,505.30 = 372,413,585.40/x
  3. Step 3: Cross multiply
    400,473,670.20x = 600,710,505.30 × 372,413,585.40
  4. Step 4: Simplify right side
    400,473,670.20x = 223,712,753,066,218,656
  5. Step 5: Solve for x
    x = 223,712,753,066,218,656/400,473,670.20
  6. Step 6: Final answer
    x = 558,620,378.10

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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.