Home / 1,417,599,589.12-1,956,287,506.44-782,520,249.04

Finding the Fourth Proportional to 1,417,599,589.12, 1,956,287,506.44 and 782,520,249.04

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Solution

The fourth proportional to 1,417,599,589.12, 1,956,287,506.44 and 782,520,249.04 is: 1,079,877,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,599,589.12 : 1,956,287,506.44 = 782,520,249.04 : x
  2. Step 2: Convert to fraction form
    1,417,599,589.12/1,956,287,506.44 = 782,520,249.04/x
  3. Step 3: Cross multiply
    1,417,599,589.12x = 1,956,287,506.44 × 782,520,249.04
  4. Step 4: Simplify right side
    1,417,599,589.12x = 1,530,834,586,733,269,248
  5. Step 5: Solve for x
    x = 1,530,834,586,733,269,248/1,417,599,589.12
  6. Step 6: Final answer
    x = 1,079,877,984.22

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Double scale
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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.