Home / 1,087,486,516.20-1,631,229,774.30-674,237,994.60

Finding the Fourth Proportional to 1,087,486,516.20, 1,631,229,774.30 and 674,237,994.60

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Solution

The fourth proportional to 1,087,486,516.20, 1,631,229,774.30 and 674,237,994.60 is: 1,011,356,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,486,516.20 : 1,631,229,774.30 = 674,237,994.60 : x
  2. Step 2: Convert to fraction form
    1,087,486,516.20/1,631,229,774.30 = 674,237,994.60/x
  3. Step 3: Cross multiply
    1,087,486,516.20x = 1,631,229,774.30 × 674,237,994.60
  4. Step 4: Simplify right side
    1,087,486,516.20x = 1,099,837,091,755,842,688
  5. Step 5: Solve for x
    x = 1,099,837,091,755,842,688/1,087,486,516.20
  6. Step 6: Final answer
    x = 1,011,356,991.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.