Home / 3,134,157,146.64-4,696,070,078.88-1,820,371,221.72

Finding the Fourth Proportional to 3,134,157,146.64, 4,696,070,078.88 and 1,820,371,221.72

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Solution

The fourth proportional to 3,134,157,146.64, 4,696,070,078.88 and 1,820,371,221.72 is: 2,727,556,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,157,146.64 : 4,696,070,078.88 = 1,820,371,221.72 : x
  2. Step 2: Convert to fraction form
    3,134,157,146.64/4,696,070,078.88 = 1,820,371,221.72/x
  3. Step 3: Cross multiply
    3,134,157,146.64x = 4,696,070,078.88 × 1,820,371,221.72
  4. Step 4: Simplify right side
    3,134,157,146.64x = 8,548,590,826,773,522,432
  5. Step 5: Solve for x
    x = 8,548,590,826,773,522,432/3,134,157,146.64
  6. Step 6: Final answer
    x = 2,727,556,541.30

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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.