Home / 1,023,365,221.48-1,412,244,006.44-553,466,539.92

Finding the Fourth Proportional to 1,023,365,221.48, 1,412,244,006.44 and 553,466,539.92

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Solution

The fourth proportional to 1,023,365,221.48, 1,412,244,006.44 and 553,466,539.92 is: 763,783,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,365,221.48 : 1,412,244,006.44 = 553,466,539.92 : x
  2. Step 2: Convert to fraction form
    1,023,365,221.48/1,412,244,006.44 = 553,466,539.92/x
  3. Step 3: Cross multiply
    1,023,365,221.48x = 1,412,244,006.44 × 553,466,539.92
  4. Step 4: Simplify right side
    1,023,365,221.48x = 781,629,803,767,105,024
  5. Step 5: Solve for x
    x = 781,629,803,767,105,024/1,023,365,221.48
  6. Step 6: Final answer
    x = 763,783,825.52

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Double scale
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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.