Home / 65,404,402,520.76-90,274,868,879.12-42,598,370,803.90

Finding the Fourth Proportional to 65,404,402,520.76, 90,274,868,879.12 and 42,598,370,803.90

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Solution

The fourth proportional to 65,404,402,520.76, 90,274,868,879.12 and 42,598,370,803.90 is: 58,796,689,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,404,402,520.76 : 90,274,868,879.12 = 42,598,370,803.90 : x
  2. Step 2: Convert to fraction form
    65,404,402,520.76/90,274,868,879.12 = 42,598,370,803.90/x
  3. Step 3: Cross multiply
    65,404,402,520.76x = 90,274,868,879.12 × 42,598,370,803.90
  4. Step 4: Simplify right side
    65,404,402,520.76x = 3,845,562,338,786,206,023,680
  5. Step 5: Solve for x
    x = 3,845,562,338,786,206,023,680/65,404,402,520.76
  6. Step 6: Final answer
    x = 58,796,689,375.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.