Home / 495,323,985.90-742,986,116.96-145,570,034.90

Finding the Fourth Proportional to 495,323,985.90, 742,986,116.96 and 145,570,034.90

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Solution

The fourth proportional to 495,323,985.90, 742,986,116.96 and 145,570,034.90 is: 218,355,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,323,985.90 : 742,986,116.96 = 145,570,034.90 : x
  2. Step 2: Convert to fraction form
    495,323,985.90/742,986,116.96 = 145,570,034.90/x
  3. Step 3: Cross multiply
    495,323,985.90x = 742,986,116.96 × 145,570,034.90
  4. Step 4: Simplify right side
    495,323,985.90x = 108,156,514,975,942,624
  5. Step 5: Solve for x
    x = 108,156,514,975,942,624/495,323,985.90
  6. Step 6: Final answer
    x = 218,355,092.94

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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.