Home / 2,142,231,663.96-2,956,180,187.16-1,189,672,878.96

Finding the Fourth Proportional to 2,142,231,663.96, 2,956,180,187.16 and 1,189,672,878.96

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Solution

The fourth proportional to 2,142,231,663.96, 2,956,180,187.16 and 1,189,672,878.96 is: 1,641,693,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,231,663.96 : 2,956,180,187.16 = 1,189,672,878.96 : x
  2. Step 2: Convert to fraction form
    2,142,231,663.96/2,956,180,187.16 = 1,189,672,878.96/x
  3. Step 3: Cross multiply
    2,142,231,663.96x = 2,956,180,187.16 × 1,189,672,878.96
  4. Step 4: Simplify right side
    2,142,231,663.96x = 3,516,887,393,983,148,544
  5. Step 5: Solve for x
    x = 3,516,887,393,983,148,544/2,142,231,663.96
  6. Step 6: Final answer
    x = 1,641,693,311.30

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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.