Home / 1,167,026,644.45-1,610,535,182.48-638,378,532.75

Finding the Fourth Proportional to 1,167,026,644.45, 1,610,535,182.48 and 638,378,532.75

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Solution

The fourth proportional to 1,167,026,644.45, 1,610,535,182.48 and 638,378,532.75 is: 880,983,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,026,644.45 : 1,610,535,182.48 = 638,378,532.75 : x
  2. Step 2: Convert to fraction form
    1,167,026,644.45/1,610,535,182.48 = 638,378,532.75/x
  3. Step 3: Cross multiply
    1,167,026,644.45x = 1,610,535,182.48 × 638,378,532.75
  4. Step 4: Simplify right side
    1,167,026,644.45x = 1,028,131,086,737,257,984
  5. Step 5: Solve for x
    x = 1,028,131,086,737,257,984/1,167,026,644.45
  6. Step 6: Final answer
    x = 880,983,387.68

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Double scale
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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.