Home / 489,986,679.18-735,087,638.85-144,913,404.30

Finding the Fourth Proportional to 489,986,679.18, 735,087,638.85 and 144,913,404.30

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Solution

The fourth proportional to 489,986,679.18, 735,087,638.85 and 144,913,404.30 is: 217,401,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,986,679.18 : 735,087,638.85 = 144,913,404.30 : x
  2. Step 2: Convert to fraction form
    489,986,679.18/735,087,638.85 = 144,913,404.30/x
  3. Step 3: Cross multiply
    489,986,679.18x = 735,087,638.85 × 144,913,404.30
  4. Step 4: Simplify right side
    489,986,679.18x = 106,524,052,204,602,448
  5. Step 5: Solve for x
    x = 106,524,052,204,602,448/489,986,679.18
  6. Step 6: Final answer
    x = 217,401,935.05

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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.