Home / 488,795,612.20-732,626,547.90-197,471,465.80

Finding the Fourth Proportional to 488,795,612.20, 732,626,547.90 and 197,471,465.80

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Solution

The fourth proportional to 488,795,612.20, 732,626,547.90 and 197,471,465.80 is: 295,978,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,795,612.20 : 732,626,547.90 = 197,471,465.80 : x
  2. Step 2: Convert to fraction form
    488,795,612.20/732,626,547.90 = 197,471,465.80/x
  3. Step 3: Cross multiply
    488,795,612.20x = 732,626,547.90 × 197,471,465.80
  4. Step 4: Simplify right side
    488,795,612.20x = 144,672,838,297,806,912
  5. Step 5: Solve for x
    x = 144,672,838,297,806,912/488,795,612.20
  6. Step 6: Final answer
    x = 295,978,185.33

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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.