Home / 1,226,354,628.60-1,836,508,634.10-815,184,631.80

Finding the Fourth Proportional to 1,226,354,628.60, 1,836,508,634.10 and 815,184,631.80

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Solution

The fourth proportional to 1,226,354,628.60, 1,836,508,634.10 and 815,184,631.80 is: 1,220,767,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,354,628.60 : 1,836,508,634.10 = 815,184,631.80 : x
  2. Step 2: Convert to fraction form
    1,226,354,628.60/1,836,508,634.10 = 815,184,631.80/x
  3. Step 3: Cross multiply
    1,226,354,628.60x = 1,836,508,634.10 × 815,184,631.80
  4. Step 4: Simplify right side
    1,226,354,628.60x = 1,497,093,614,686,329,344
  5. Step 5: Solve for x
    x = 1,497,093,614,686,329,344/1,226,354,628.60
  6. Step 6: Final answer
    x = 1,220,767,288.49

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Double scale
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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.