Home / 739,502,430.30-1,109,253,645.45-186,803,790.30

Finding the Fourth Proportional to 739,502,430.30, 1,109,253,645.45 and 186,803,790.30

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Solution

The fourth proportional to 739,502,430.30, 1,109,253,645.45 and 186,803,790.30 is: 280,205,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,502,430.30 : 1,109,253,645.45 = 186,803,790.30 : x
  2. Step 2: Convert to fraction form
    739,502,430.30/1,109,253,645.45 = 186,803,790.30/x
  3. Step 3: Cross multiply
    739,502,430.30x = 1,109,253,645.45 × 186,803,790.30
  4. Step 4: Simplify right side
    739,502,430.30x = 207,212,785,374,152,384
  5. Step 5: Solve for x
    x = 207,212,785,374,152,384/739,502,430.30
  6. Step 6: Final answer
    x = 280,205,685.45

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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.