Home / 1,248,296,587.20-1,723,807,245.60-934,485,998.40

Finding the Fourth Proportional to 1,248,296,587.20, 1,723,807,245.60 and 934,485,998.40

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Solution

The fourth proportional to 1,248,296,587.20, 1,723,807,245.60 and 934,485,998.40 is: 1,290,457,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,296,587.20 : 1,723,807,245.60 = 934,485,998.40 : x
  2. Step 2: Convert to fraction form
    1,248,296,587.20/1,723,807,245.60 = 934,485,998.40/x
  3. Step 3: Cross multiply
    1,248,296,587.20x = 1,723,807,245.60 × 934,485,998.40
  4. Step 4: Simplify right side
    1,248,296,587.20x = 1,610,873,734,953,669,888
  5. Step 5: Solve for x
    x = 1,610,873,734,953,669,888/1,248,296,587.20
  6. Step 6: Final answer
    x = 1,290,457,533.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.