Home / 2,930,691,312.80-4,396,036,969.20-2,910,283,978.40

Finding the Fourth Proportional to 2,930,691,312.80, 4,396,036,969.20 and 2,910,283,978.40

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Solution

The fourth proportional to 2,930,691,312.80, 4,396,036,969.20 and 2,910,283,978.40 is: 4,365,425,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,691,312.80 : 4,396,036,969.20 = 2,910,283,978.40 : x
  2. Step 2: Convert to fraction form
    2,930,691,312.80/4,396,036,969.20 = 2,910,283,978.40/x
  3. Step 3: Cross multiply
    2,930,691,312.80x = 4,396,036,969.20 × 2,910,283,978.40
  4. Step 4: Simplify right side
    2,930,691,312.80x = 12,793,715,959,916,853,248
  5. Step 5: Solve for x
    x = 12,793,715,959,916,853,248/2,930,691,312.80
  6. Step 6: Final answer
    x = 4,365,425,967.60

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1.5x scale

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.