Home / 495,245,812.80-742,868,719.20-487,593,062.40

Finding the Fourth Proportional to 495,245,812.80, 742,868,719.20 and 487,593,062.40

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Solution

The fourth proportional to 495,245,812.80, 742,868,719.20 and 487,593,062.40 is: 731,389,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,245,812.80 : 742,868,719.20 = 487,593,062.40 : x
  2. Step 2: Convert to fraction form
    495,245,812.80/742,868,719.20 = 487,593,062.40/x
  3. Step 3: Cross multiply
    495,245,812.80x = 742,868,719.20 × 487,593,062.40
  4. Step 4: Simplify right side
    495,245,812.80x = 362,217,633,755,893,696
  5. Step 5: Solve for x
    x = 362,217,633,755,893,696/495,245,812.80
  6. Step 6: Final answer
    x = 731,389,593.60

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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.