Home / 1,026,079,198.34-1,415,951,358.68-556,170,430.22

Finding the Fourth Proportional to 1,026,079,198.34, 1,415,951,358.68 and 556,170,430.22

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Solution

The fourth proportional to 1,026,079,198.34, 1,415,951,358.68 and 556,170,430.22 is: 767,494,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,198.34 : 1,415,951,358.68 = 556,170,430.22 : x
  2. Step 2: Convert to fraction form
    1,026,079,198.34/1,415,951,358.68 = 556,170,430.22/x
  3. Step 3: Cross multiply
    1,026,079,198.34x = 1,415,951,358.68 × 556,170,430.22
  4. Step 4: Simplify right side
    1,026,079,198.34x = 787,510,276,327,649,152
  5. Step 5: Solve for x
    x = 787,510,276,327,649,152/1,026,079,198.34
  6. Step 6: Final answer
    x = 767,494,631.61

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Half scale
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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.