Home / 416,274,393,359.92-623,970,892,221.40-140,020,927,909.54

Finding the Fourth Proportional to 416,274,393,359.92, 623,970,892,221.40 and 140,020,927,909.54

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Solution

The fourth proportional to 416,274,393,359.92, 623,970,892,221.40 and 140,020,927,909.54 is: 209,883,155,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,274,393,359.92 : 623,970,892,221.40 = 140,020,927,909.54 : x
  2. Step 2: Convert to fraction form
    416,274,393,359.92/623,970,892,221.40 = 140,020,927,909.54/x
  3. Step 3: Cross multiply
    416,274,393,359.92x = 623,970,892,221.40 × 140,020,927,909.54
  4. Step 4: Simplify right side
    416,274,393,359.92x = 87,368,983,317,384,018,264,064
  5. Step 5: Solve for x
    x = 87,368,983,317,384,018,264,064/416,274,393,359.92
  6. Step 6: Final answer
    x = 209,883,155,704.57

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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.