Home / 580,641,330.60-870,961,995.90-521,518,847.40

Finding the Fourth Proportional to 580,641,330.60, 870,961,995.90 and 521,518,847.40

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Solution

The fourth proportional to 580,641,330.60, 870,961,995.90 and 521,518,847.40 is: 782,278,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,641,330.60 : 870,961,995.90 = 521,518,847.40 : x
  2. Step 2: Convert to fraction form
    580,641,330.60/870,961,995.90 = 521,518,847.40/x
  3. Step 3: Cross multiply
    580,641,330.60x = 870,961,995.90 × 521,518,847.40
  4. Step 4: Simplify right side
    580,641,330.60x = 454,223,096,230,971,520
  5. Step 5: Solve for x
    x = 454,223,096,230,971,520/580,641,330.60
  6. Step 6: Final answer
    x = 782,278,271.10

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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.