Home / 354,314,279.60-532,038,289.80-268,149,978.80

Finding the Fourth Proportional to 354,314,279.60, 532,038,289.80 and 268,149,978.80

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Solution

The fourth proportional to 354,314,279.60, 532,038,289.80 and 268,149,978.80 is: 402,653,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,314,279.60 : 532,038,289.80 = 268,149,978.80 : x
  2. Step 2: Convert to fraction form
    354,314,279.60/532,038,289.80 = 268,149,978.80/x
  3. Step 3: Cross multiply
    354,314,279.60x = 532,038,289.80 × 268,149,978.80
  4. Step 4: Simplify right side
    354,314,279.60x = 142,666,056,130,658,272
  5. Step 5: Solve for x
    x = 142,666,056,130,658,272/354,314,279.60
  6. Step 6: Final answer
    x = 402,653,983.61

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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.