Home / 1,086,697,071.70-1,630,045,607.55-814,599,279.70

Finding the Fourth Proportional to 1,086,697,071.70, 1,630,045,607.55 and 814,599,279.70

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Solution

The fourth proportional to 1,086,697,071.70, 1,630,045,607.55 and 814,599,279.70 is: 1,221,898,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,697,071.70 : 1,630,045,607.55 = 814,599,279.70 : x
  2. Step 2: Convert to fraction form
    1,086,697,071.70/1,630,045,607.55 = 814,599,279.70/x
  3. Step 3: Cross multiply
    1,086,697,071.70x = 1,630,045,607.55 × 814,599,279.70
  4. Step 4: Simplify right side
    1,086,697,071.70x = 1,327,833,977,788,378,880
  5. Step 5: Solve for x
    x = 1,327,833,977,788,378,880/1,086,697,071.70
  6. Step 6: Final answer
    x = 1,221,898,919.55

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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.