Home / 551,919,929.40-828,454,112.76-406,517,671.80

Finding the Fourth Proportional to 551,919,929.40, 828,454,112.76 and 406,517,671.80

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Solution

The fourth proportional to 551,919,929.40, 828,454,112.76 and 406,517,671.80 is: 610,199,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,919,929.40 : 828,454,112.76 = 406,517,671.80 : x
  2. Step 2: Convert to fraction form
    551,919,929.40/828,454,112.76 = 406,517,671.80/x
  3. Step 3: Cross multiply
    551,919,929.40x = 828,454,112.76 × 406,517,671.80
  4. Step 4: Simplify right side
    551,919,929.40x = 336,781,237,112,329,856
  5. Step 5: Solve for x
    x = 336,781,237,112,329,856/551,919,929.40
  6. Step 6: Final answer
    x = 610,199,449.54

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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.