Home / 369,914,957.28-510,482,597.31-221,236,055.42

Finding the Fourth Proportional to 369,914,957.28, 510,482,597.31 and 221,236,055.42

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Solution

The fourth proportional to 369,914,957.28, 510,482,597.31 and 221,236,055.42 is: 305,305,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,914,957.28 : 510,482,597.31 = 221,236,055.42 : x
  2. Step 2: Convert to fraction form
    369,914,957.28/510,482,597.31 = 221,236,055.42/x
  3. Step 3: Cross multiply
    369,914,957.28x = 510,482,597.31 × 221,236,055.42
  4. Step 4: Simplify right side
    369,914,957.28x = 112,937,156,186,868,288
  5. Step 5: Solve for x
    x = 112,937,156,186,868,288/369,914,957.28
  6. Step 6: Final answer
    x = 305,305,730.32

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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.