Home / 1,270,638,464.09-1,753,523,662.00-706,147,138.05

Finding the Fourth Proportional to 1,270,638,464.09, 1,753,523,662.00 and 706,147,138.05

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Solution

The fourth proportional to 1,270,638,464.09, 1,753,523,662.00 and 706,147,138.05 is: 974,506,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,638,464.09 : 1,753,523,662.00 = 706,147,138.05 : x
  2. Step 2: Convert to fraction form
    1,270,638,464.09/1,753,523,662.00 = 706,147,138.05/x
  3. Step 3: Cross multiply
    1,270,638,464.09x = 1,753,523,662.00 × 706,147,138.05
  4. Step 4: Simplify right side
    1,270,638,464.09x = 1,238,245,715,425,098,496
  5. Step 5: Solve for x
    x = 1,238,245,715,425,098,496/1,270,638,464.09
  6. Step 6: Final answer
    x = 974,506,714.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.