Home / 1,443,299,832.08-1,991,753,686.91-783,250,110.08

Finding the Fourth Proportional to 1,443,299,832.08, 1,991,753,686.91 and 783,250,110.08

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Solution

The fourth proportional to 1,443,299,832.08, 1,991,753,686.91 and 783,250,110.08 is: 1,080,885,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,299,832.08 : 1,991,753,686.91 = 783,250,110.08 : x
  2. Step 2: Convert to fraction form
    1,443,299,832.08/1,991,753,686.91 = 783,250,110.08/x
  3. Step 3: Cross multiply
    1,443,299,832.08x = 1,991,753,686.91 × 783,250,110.08
  4. Step 4: Simplify right side
    1,443,299,832.08x = 1,560,041,294,516,502,784
  5. Step 5: Solve for x
    x = 1,560,041,294,516,502,784/1,443,299,832.08
  6. Step 6: Final answer
    x = 1,080,885,107.76

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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.