Home / 1,345,152,213.10-2,017,728,319.65-619,558,101.10

Finding the Fourth Proportional to 1,345,152,213.10, 2,017,728,319.65 and 619,558,101.10

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Solution

The fourth proportional to 1,345,152,213.10, 2,017,728,319.65 and 619,558,101.10 is: 929,337,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,152,213.10 : 2,017,728,319.65 = 619,558,101.10 : x
  2. Step 2: Convert to fraction form
    1,345,152,213.10/2,017,728,319.65 = 619,558,101.10/x
  3. Step 3: Cross multiply
    1,345,152,213.10x = 2,017,728,319.65 × 619,558,101.10
  4. Step 4: Simplify right side
    1,345,152,213.10x = 1,250,099,926,258,048,000
  5. Step 5: Solve for x
    x = 1,250,099,926,258,048,000/1,345,152,213.10
  6. Step 6: Final answer
    x = 929,337,151.65

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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.