Home / 1,425,864,288.60-2,138,796,432.90-1,374,208,223.40

Finding the Fourth Proportional to 1,425,864,288.60, 2,138,796,432.90 and 1,374,208,223.40

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Solution

The fourth proportional to 1,425,864,288.60, 2,138,796,432.90 and 1,374,208,223.40 is: 2,061,312,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,864,288.60 : 2,138,796,432.90 = 1,374,208,223.40 : x
  2. Step 2: Convert to fraction form
    1,425,864,288.60/2,138,796,432.90 = 1,374,208,223.40/x
  3. Step 3: Cross multiply
    1,425,864,288.60x = 2,138,796,432.90 × 1,374,208,223.40
  4. Step 4: Simplify right side
    1,425,864,288.60x = 2,939,151,646,269,766,656
  5. Step 5: Solve for x
    x = 2,939,151,646,269,766,656/1,425,864,288.60
  6. Step 6: Final answer
    x = 2,061,312,335.10

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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.