Home / 290,304,380.10-434,952,685.35-272,164,527.30

Finding the Fourth Proportional to 290,304,380.10, 434,952,685.35 and 272,164,527.30

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Solution

The fourth proportional to 290,304,380.10, 434,952,685.35 and 272,164,527.30 is: 407,774,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,380.10 : 434,952,685.35 = 272,164,527.30 : x
  2. Step 2: Convert to fraction form
    290,304,380.10/434,952,685.35 = 272,164,527.30/x
  3. Step 3: Cross multiply
    290,304,380.10x = 434,952,685.35 × 272,164,527.30
  4. Step 4: Simplify right side
    290,304,380.10x = 118,378,692,006,148,400
  5. Step 5: Solve for x
    x = 118,378,692,006,148,400/290,304,380.10
  6. Step 6: Final answer
    x = 407,774,391.71

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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.