Home / 316,304,051.30-473,659,814.55-208,012,364.90

Finding the Fourth Proportional to 316,304,051.30, 473,659,814.55 and 208,012,364.90

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Solution

The fourth proportional to 316,304,051.30, 473,659,814.55 and 208,012,364.90 is: 311,494,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,304,051.30 : 473,659,814.55 = 208,012,364.90 : x
  2. Step 2: Convert to fraction form
    316,304,051.30/473,659,814.55 = 208,012,364.90/x
  3. Step 3: Cross multiply
    316,304,051.30x = 473,659,814.55 × 208,012,364.90
  4. Step 4: Simplify right side
    316,304,051.30x = 98,527,098,182,640,928
  5. Step 5: Solve for x
    x = 98,527,098,182,640,928/316,304,051.30
  6. Step 6: Final answer
    x = 311,494,897.96

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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.