Home / 1,724,803,378.80-2,587,205,068.20-481,231,438.80

Finding the Fourth Proportional to 1,724,803,378.80, 2,587,205,068.20 and 481,231,438.80

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Solution

The fourth proportional to 1,724,803,378.80, 2,587,205,068.20 and 481,231,438.80 is: 721,847,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,803,378.80 : 2,587,205,068.20 = 481,231,438.80 : x
  2. Step 2: Convert to fraction form
    1,724,803,378.80/2,587,205,068.20 = 481,231,438.80/x
  3. Step 3: Cross multiply
    1,724,803,378.80x = 2,587,205,068.20 × 481,231,438.80
  4. Step 4: Simplify right side
    1,724,803,378.80x = 1,245,044,417,440,538,112
  5. Step 5: Solve for x
    x = 1,245,044,417,440,538,112/1,724,803,378.80
  6. Step 6: Final answer
    x = 721,847,158.20

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Double scale
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1.5x scale

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.