Home / 494,748,006.40-742,122,009.60-472,073,190.40

Finding the Fourth Proportional to 494,748,006.40, 742,122,009.60 and 472,073,190.40

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Solution

The fourth proportional to 494,748,006.40, 742,122,009.60 and 472,073,190.40 is: 708,109,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,748,006.40 : 742,122,009.60 = 472,073,190.40 : x
  2. Step 2: Convert to fraction form
    494,748,006.40/742,122,009.60 = 472,073,190.40/x
  3. Step 3: Cross multiply
    494,748,006.40x = 742,122,009.60 × 472,073,190.40
  4. Step 4: Simplify right side
    494,748,006.40x = 350,335,904,737,931,392
  5. Step 5: Solve for x
    x = 350,335,904,737,931,392/494,748,006.40
  6. Step 6: Final answer
    x = 708,109,785.60

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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.