Home / 1,121,057,049.25-1,547,028,754.89-619,255,032.85

Finding the Fourth Proportional to 1,121,057,049.25, 1,547,028,754.89 and 619,255,032.85

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Solution

The fourth proportional to 1,121,057,049.25, 1,547,028,754.89 and 619,255,032.85 is: 854,555,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,057,049.25 : 1,547,028,754.89 = 619,255,032.85 : x
  2. Step 2: Convert to fraction form
    1,121,057,049.25/1,547,028,754.89 = 619,255,032.85/x
  3. Step 3: Cross multiply
    1,121,057,049.25x = 1,547,028,754.89 × 619,255,032.85
  4. Step 4: Simplify right side
    1,121,057,049.25x = 958,005,342,429,301,632
  5. Step 5: Solve for x
    x = 958,005,342,429,301,632/1,121,057,049.25
  6. Step 6: Final answer
    x = 854,555,388.66

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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.