Home / 347,626,648.80-521,439,973.20-156,523,672.80

Finding the Fourth Proportional to 347,626,648.80, 521,439,973.20 and 156,523,672.80

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Solution

The fourth proportional to 347,626,648.80, 521,439,973.20 and 156,523,672.80 is: 234,785,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,626,648.80 : 521,439,973.20 = 156,523,672.80 : x
  2. Step 2: Convert to fraction form
    347,626,648.80/521,439,973.20 = 156,523,672.80/x
  3. Step 3: Cross multiply
    347,626,648.80x = 521,439,973.20 × 156,523,672.80
  4. Step 4: Simplify right side
    347,626,648.80x = 81,617,699,749,997,568
  5. Step 5: Solve for x
    x = 81,617,699,749,997,568/347,626,648.80
  6. Step 6: Final answer
    x = 234,785,509.20

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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.