Home / 1,019,377,926.88-1,405,944,505.37-662,260,794.19

Finding the Fourth Proportional to 1,019,377,926.88, 1,405,944,505.37 and 662,260,794.19

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Solution

The fourth proportional to 1,019,377,926.88, 1,405,944,505.37 and 662,260,794.19 is: 913,402,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,377,926.88 : 1,405,944,505.37 = 662,260,794.19 : x
  2. Step 2: Convert to fraction form
    1,019,377,926.88/1,405,944,505.37 = 662,260,794.19/x
  3. Step 3: Cross multiply
    1,019,377,926.88x = 1,405,944,505.37 × 662,260,794.19
  4. Step 4: Simplify right side
    1,019,377,926.88x = 931,101,924,711,543,680
  5. Step 5: Solve for x
    x = 931,101,924,711,543,680/1,019,377,926.88
  6. Step 6: Final answer
    x = 913,402,085.88

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1.5x scale

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.