Home / 719,938,864.30-1,079,908,299.11-202,369,304.78

Finding the Fourth Proportional to 719,938,864.30, 1,079,908,299.11 and 202,369,304.78

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Solution

The fourth proportional to 719,938,864.30, 1,079,908,299.11 and 202,369,304.78 is: 303,553,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,938,864.30 : 1,079,908,299.11 = 202,369,304.78 : x
  2. Step 2: Convert to fraction form
    719,938,864.30/1,079,908,299.11 = 202,369,304.78/x
  3. Step 3: Cross multiply
    719,938,864.30x = 1,079,908,299.11 × 202,369,304.78
  4. Step 4: Simplify right side
    719,938,864.30x = 218,540,291,717,042,976
  5. Step 5: Solve for x
    x = 218,540,291,717,042,976/719,938,864.30
  6. Step 6: Final answer
    x = 303,553,957.92

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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.