Home / 580,680,127.20-870,012,421.20-489,980,863.20

Finding the Fourth Proportional to 580,680,127.20, 870,012,421.20 and 489,980,863.20

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Solution

The fourth proportional to 580,680,127.20, 870,012,421.20 and 489,980,863.20 is: 734,120,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,680,127.20 : 870,012,421.20 = 489,980,863.20 : x
  2. Step 2: Convert to fraction form
    580,680,127.20/870,012,421.20 = 489,980,863.20/x
  3. Step 3: Cross multiply
    580,680,127.20x = 870,012,421.20 × 489,980,863.20
  4. Step 4: Simplify right side
    580,680,127.20x = 426,289,437,134,297,984
  5. Step 5: Solve for x
    x = 426,289,437,134,297,984/580,680,127.20
  6. Step 6: Final answer
    x = 734,120,933.65

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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.