Home / 1,244,274,463.72-1,717,113,117.54-687,345,835.24

Finding the Fourth Proportional to 1,244,274,463.72, 1,717,113,117.54 and 687,345,835.24

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Solution

The fourth proportional to 1,244,274,463.72, 1,717,113,117.54 and 687,345,835.24 is: 948,545,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,274,463.72 : 1,717,113,117.54 = 687,345,835.24 : x
  2. Step 2: Convert to fraction form
    1,244,274,463.72/1,717,113,117.54 = 687,345,835.24/x
  3. Step 3: Cross multiply
    1,244,274,463.72x = 1,717,113,117.54 × 687,345,835.24
  4. Step 4: Simplify right side
    1,244,274,463.72x = 1,180,250,549,977,091,584
  5. Step 5: Solve for x
    x = 1,180,250,549,977,091,584/1,244,274,463.72
  6. Step 6: Final answer
    x = 948,545,183.87

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Half scale
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Double scale
Find fourth proportional to 1,244,274,464.72, 1,717,113,118.92 and 687,345,836.24
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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.