Home / 752,855,832.80-1,129,684,990.80-292,809,010.40

Finding the Fourth Proportional to 752,855,832.80, 1,129,684,990.80 and 292,809,010.40

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Solution

The fourth proportional to 752,855,832.80, 1,129,684,990.80 and 292,809,010.40 is: 439,369,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,855,832.80 : 1,129,684,990.80 = 292,809,010.40 : x
  2. Step 2: Convert to fraction form
    752,855,832.80/1,129,684,990.80 = 292,809,010.40/x
  3. Step 3: Cross multiply
    752,855,832.80x = 1,129,684,990.80 × 292,809,010.40
  4. Step 4: Simplify right side
    752,855,832.80x = 330,781,944,219,881,088
  5. Step 5: Solve for x
    x = 330,781,944,219,881,088/752,855,832.80
  6. Step 6: Final answer
    x = 439,369,570.92

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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.