Home / 1,068,331,008.77-1,474,378,581.05-672,193,558.76

Finding the Fourth Proportional to 1,068,331,008.77, 1,474,378,581.05 and 672,193,558.76

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Solution

The fourth proportional to 1,068,331,008.77, 1,474,378,581.05 and 672,193,558.76 is: 927,678,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,331,008.77 : 1,474,378,581.05 = 672,193,558.76 : x
  2. Step 2: Convert to fraction form
    1,068,331,008.77/1,474,378,581.05 = 672,193,558.76/x
  3. Step 3: Cross multiply
    1,068,331,008.77x = 1,474,378,581.05 × 672,193,558.76
  4. Step 4: Simplify right side
    1,068,331,008.77x = 991,067,785,355,518,592
  5. Step 5: Solve for x
    x = 991,067,785,355,518,592/1,068,331,008.77
  6. Step 6: Final answer
    x = 927,678,572.67

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Half scale
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Double scale
Find fourth proportional to 1,068,331,009.77, 1,474,378,582.43 and 672,193,559.76
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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.