Home / 1,324,720,819.89-1,828,126,821.33-730,026,641.79

Finding the Fourth Proportional to 1,324,720,819.89, 1,828,126,821.33 and 730,026,641.79

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Solution

The fourth proportional to 1,324,720,819.89, 1,828,126,821.33 and 730,026,641.79 is: 1,007,443,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,720,819.89 : 1,828,126,821.33 = 730,026,641.79 : x
  2. Step 2: Convert to fraction form
    1,324,720,819.89/1,828,126,821.33 = 730,026,641.79/x
  3. Step 3: Cross multiply
    1,324,720,819.89x = 1,828,126,821.33 × 730,026,641.79
  4. Step 4: Simplify right side
    1,324,720,819.89x = 1,334,581,284,141,767,168
  5. Step 5: Solve for x
    x = 1,334,581,284,141,767,168/1,324,720,819.89
  6. Step 6: Final answer
    x = 1,007,443,428.16

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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.