Home / 494,748,004.40-742,122,006.60-472,073,188.40

Finding the Fourth Proportional to 494,748,004.40, 742,122,006.60 and 472,073,188.40

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Solution

The fourth proportional to 494,748,004.40, 742,122,006.60 and 472,073,188.40 is: 708,109,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,748,004.40 : 742,122,006.60 = 472,073,188.40 : x
  2. Step 2: Convert to fraction form
    494,748,004.40/742,122,006.60 = 472,073,188.40/x
  3. Step 3: Cross multiply
    494,748,004.40x = 742,122,006.60 × 472,073,188.40
  4. Step 4: Simplify right side
    494,748,004.40x = 350,335,901,837,467,840
  5. Step 5: Solve for x
    x = 350,335,901,837,467,840/494,748,004.40
  6. Step 6: Final answer
    x = 708,109,782.60

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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.