Home / 1,069,847,999.70-1,604,771,999.55-897,661,115.70

Finding the Fourth Proportional to 1,069,847,999.70, 1,604,771,999.55 and 897,661,115.70

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Solution

The fourth proportional to 1,069,847,999.70, 1,604,771,999.55 and 897,661,115.70 is: 1,346,491,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,847,999.70 : 1,604,771,999.55 = 897,661,115.70 : x
  2. Step 2: Convert to fraction form
    1,069,847,999.70/1,604,771,999.55 = 897,661,115.70/x
  3. Step 3: Cross multiply
    1,069,847,999.70x = 1,604,771,999.55 × 897,661,115.70
  4. Step 4: Simplify right side
    1,069,847,999.70x = 1,440,541,423,560,173,056
  5. Step 5: Solve for x
    x = 1,440,541,423,560,173,056/1,069,847,999.70
  6. Step 6: Final answer
    x = 1,346,491,673.55

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Double scale
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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.