Home / 495,216,002.80-742,824,004.20-447,598,889.20

Finding the Fourth Proportional to 495,216,002.80, 742,824,004.20 and 447,598,889.20

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Solution

The fourth proportional to 495,216,002.80, 742,824,004.20 and 447,598,889.20 is: 671,398,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,216,002.80 : 742,824,004.20 = 447,598,889.20 : x
  2. Step 2: Convert to fraction form
    495,216,002.80/742,824,004.20 = 447,598,889.20/x
  3. Step 3: Cross multiply
    495,216,002.80x = 742,824,004.20 × 447,598,889.20
  4. Step 4: Simplify right side
    495,216,002.80x = 332,487,199,151,016,128
  5. Step 5: Solve for x
    x = 332,487,199,151,016,128/495,216,002.80
  6. Step 6: Final answer
    x = 671,398,333.80

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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.