Home / 1,010,945,121.90-1,516,417,682.85-660,241,301.10

Finding the Fourth Proportional to 1,010,945,121.90, 1,516,417,682.85 and 660,241,301.10

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Solution

The fourth proportional to 1,010,945,121.90, 1,516,417,682.85 and 660,241,301.10 is: 990,361,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,945,121.90 : 1,516,417,682.85 = 660,241,301.10 : x
  2. Step 2: Convert to fraction form
    1,010,945,121.90/1,516,417,682.85 = 660,241,301.10/x
  3. Step 3: Cross multiply
    1,010,945,121.90x = 1,516,417,682.85 × 660,241,301.10
  4. Step 4: Simplify right side
    1,010,945,121.90x = 1,001,201,583,935,931,136
  5. Step 5: Solve for x
    x = 1,001,201,583,935,931,136/1,010,945,121.90
  6. Step 6: Final answer
    x = 990,361,951.65

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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.