Home / 1,241,186,183.80-1,861,779,275.70-423,325,166.20

Finding the Fourth Proportional to 1,241,186,183.80, 1,861,779,275.70 and 423,325,166.20

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Solution

The fourth proportional to 1,241,186,183.80, 1,861,779,275.70 and 423,325,166.20 is: 634,987,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,186,183.80 : 1,861,779,275.70 = 423,325,166.20 : x
  2. Step 2: Convert to fraction form
    1,241,186,183.80/1,861,779,275.70 = 423,325,166.20/x
  3. Step 3: Cross multiply
    1,241,186,183.80x = 1,861,779,275.70 × 423,325,166.20
  4. Step 4: Simplify right side
    1,241,186,183.80x = 788,138,021,313,418,112
  5. Step 5: Solve for x
    x = 788,138,021,313,418,112/1,241,186,183.80
  6. Step 6: Final answer
    x = 634,987,749.30

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Double scale
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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.