Home / 354,865,129.80-531,501,432.30-291,164,137.80

Finding the Fourth Proportional to 354,865,129.80, 531,501,432.30 and 291,164,137.80

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Solution

The fourth proportional to 354,865,129.80, 531,501,432.30 and 291,164,137.80 is: 436,092,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,865,129.80 : 531,501,432.30 = 291,164,137.80 : x
  2. Step 2: Convert to fraction form
    354,865,129.80/531,501,432.30 = 291,164,137.80/x
  3. Step 3: Cross multiply
    354,865,129.80x = 531,501,432.30 × 291,164,137.80
  4. Step 4: Simplify right side
    354,865,129.80x = 154,754,156,275,094,592
  5. Step 5: Solve for x
    x = 154,754,156,275,094,592/354,865,129.80
  6. Step 6: Final answer
    x = 436,092,879.46

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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.