Home / 923,775,635.29-1,274,799,821.51-500,381,314.51

Finding the Fourth Proportional to 923,775,635.29, 1,274,799,821.51 and 500,381,314.51

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Solution

The fourth proportional to 923,775,635.29, 1,274,799,821.51 and 500,381,314.51 is: 690,520,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,775,635.29 : 1,274,799,821.51 = 500,381,314.51 : x
  2. Step 2: Convert to fraction form
    923,775,635.29/1,274,799,821.51 = 500,381,314.51/x
  3. Step 3: Cross multiply
    923,775,635.29x = 1,274,799,821.51 × 500,381,314.51
  4. Step 4: Simplify right side
    923,775,635.29x = 637,886,010,420,068,608
  5. Step 5: Solve for x
    x = 637,886,010,420,068,608/923,775,635.29
  6. Step 6: Final answer
    x = 690,520,496.60

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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.