Home / 608,232,312.56-912,439,515.17-220,145,943.42

Finding the Fourth Proportional to 608,232,312.56, 912,439,515.17 and 220,145,943.42

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Solution

The fourth proportional to 608,232,312.56, 912,439,515.17 and 220,145,943.42 is: 330,251,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,232,312.56 : 912,439,515.17 = 220,145,943.42 : x
  2. Step 2: Convert to fraction form
    608,232,312.56/912,439,515.17 = 220,145,943.42/x
  3. Step 3: Cross multiply
    608,232,312.56x = 912,439,515.17 × 220,145,943.42
  4. Step 4: Simplify right side
    608,232,312.56x = 200,869,857,881,341,824
  5. Step 5: Solve for x
    x = 200,869,857,881,341,824/608,232,312.56
  6. Step 6: Final answer
    x = 330,251,868.79

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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.