Home / 1,026,079,178.87-1,415,951,331.91-556,170,410.76

Finding the Fourth Proportional to 1,026,079,178.87, 1,415,951,331.91 and 556,170,410.76

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Solution

The fourth proportional to 1,026,079,178.87, 1,415,951,331.91 and 556,170,410.76 is: 767,494,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,178.87 : 1,415,951,331.91 = 556,170,410.76 : x
  2. Step 2: Convert to fraction form
    1,026,079,178.87/1,415,951,331.91 = 556,170,410.76/x
  3. Step 3: Cross multiply
    1,026,079,178.87x = 1,415,951,331.91 × 556,170,410.76
  4. Step 4: Simplify right side
    1,026,079,178.87x = 787,510,233,877,853,568
  5. Step 5: Solve for x
    x = 787,510,233,877,853,568/1,026,079,178.87
  6. Step 6: Final answer
    x = 767,494,604.80

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Half scale
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Double scale
Find fourth proportional to 1,026,079,179.87, 1,415,951,333.29 and 556,170,411.76
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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.