Home / 914,167,273.70-1,371,250,910.55-638,668,259.30

Finding the Fourth Proportional to 914,167,273.70, 1,371,250,910.55 and 638,668,259.30

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Solution

The fourth proportional to 914,167,273.70, 1,371,250,910.55 and 638,668,259.30 is: 958,002,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,167,273.70 : 1,371,250,910.55 = 638,668,259.30 : x
  2. Step 2: Convert to fraction form
    914,167,273.70/1,371,250,910.55 = 638,668,259.30/x
  3. Step 3: Cross multiply
    914,167,273.70x = 1,371,250,910.55 × 638,668,259.30
  4. Step 4: Simplify right side
    914,167,273.70x = 875,774,432,104,508,416
  5. Step 5: Solve for x
    x = 875,774,432,104,508,416/914,167,273.70
  6. Step 6: Final answer
    x = 958,002,388.95

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Double scale
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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.