Home / 785,954,113.20-1,179,036,145.80-268,254,471.60

Finding the Fourth Proportional to 785,954,113.20, 1,179,036,145.80 and 268,254,471.60

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Solution

The fourth proportional to 785,954,113.20, 1,179,036,145.80 and 268,254,471.60 is: 402,417,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,954,113.20 : 1,179,036,145.80 = 268,254,471.60 : x
  2. Step 2: Convert to fraction form
    785,954,113.20/1,179,036,145.80 = 268,254,471.60/x
  3. Step 3: Cross multiply
    785,954,113.20x = 1,179,036,145.80 × 268,254,471.60
  4. Step 4: Simplify right side
    785,954,113.20x = 316,281,718,288,879,552
  5. Step 5: Solve for x
    x = 316,281,718,288,879,552/785,954,113.20
  6. Step 6: Final answer
    x = 402,417,536.82

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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.