Home / 608,172,609.28-912,258,897.78-280,551,190

Finding the Fourth Proportional to 608,172,609.28, 912,258,897.78 and 280,551,190

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Solution

The fourth proportional to 608,172,609.28, 912,258,897.78 and 280,551,190 is: 420,826,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,172,609.28 : 912,258,897.78 = 280,551,190 : x
  2. Step 2: Convert to fraction form
    608,172,609.28/912,258,897.78 = 280,551,190/x
  3. Step 3: Cross multiply
    608,172,609.28x = 912,258,897.78 × 280,551,190
  4. Step 4: Simplify right side
    608,172,609.28x = 255,935,319,360,267,360
  5. Step 5: Solve for x
    x = 255,935,319,360,267,360/608,172,609.28
  6. Step 6: Final answer
    x = 420,826,777.55

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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.