Home / 879,178,887.22-1,318,488,325.52-288,832,095.62

Finding the Fourth Proportional to 879,178,887.22, 1,318,488,325.52 and 288,832,095.62

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Solution

The fourth proportional to 879,178,887.22, 1,318,488,325.52 and 288,832,095.62 is: 433,156,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,178,887.22 : 1,318,488,325.52 = 288,832,095.62 : x
  2. Step 2: Convert to fraction form
    879,178,887.22/1,318,488,325.52 = 288,832,095.62/x
  3. Step 3: Cross multiply
    879,178,887.22x = 1,318,488,325.52 × 288,832,095.62
  4. Step 4: Simplify right side
    879,178,887.22x = 380,821,746,110,446,336
  5. Step 5: Solve for x
    x = 380,821,746,110,446,336/879,178,887.22
  6. Step 6: Final answer
    x = 433,156,154.73

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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.