Home / 1,183,248,001.40-1,774,872,002.10-639,052,417.40

Finding the Fourth Proportional to 1,183,248,001.40, 1,774,872,002.10 and 639,052,417.40

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Solution

The fourth proportional to 1,183,248,001.40, 1,774,872,002.10 and 639,052,417.40 is: 958,578,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,248,001.40 : 1,774,872,002.10 = 639,052,417.40 : x
  2. Step 2: Convert to fraction form
    1,183,248,001.40/1,774,872,002.10 = 639,052,417.40/x
  3. Step 3: Cross multiply
    1,183,248,001.40x = 1,774,872,002.10 × 639,052,417.40
  4. Step 4: Simplify right side
    1,183,248,001.40x = 1,134,236,243,517,582,720
  5. Step 5: Solve for x
    x = 1,134,236,243,517,582,720/1,183,248,001.40
  6. Step 6: Final answer
    x = 958,578,626.10

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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.