Home / 885,163,358.70-1,327,745,038.05-626,670,456.30

Finding the Fourth Proportional to 885,163,358.70, 1,327,745,038.05 and 626,670,456.30

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Solution

The fourth proportional to 885,163,358.70, 1,327,745,038.05 and 626,670,456.30 is: 940,005,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,163,358.70 : 1,327,745,038.05 = 626,670,456.30 : x
  2. Step 2: Convert to fraction form
    885,163,358.70/1,327,745,038.05 = 626,670,456.30/x
  3. Step 3: Cross multiply
    885,163,358.70x = 1,327,745,038.05 × 626,670,456.30
  4. Step 4: Simplify right side
    885,163,358.70x = 832,058,588,844,854,272
  5. Step 5: Solve for x
    x = 832,058,588,844,854,272/885,163,358.70
  6. Step 6: Final answer
    x = 940,005,684.45

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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.