Home / 571,920,610.23-789,187,290.12-320,967,443.16

Finding the Fourth Proportional to 571,920,610.23, 789,187,290.12 and 320,967,443.16

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Solution

The fourth proportional to 571,920,610.23, 789,187,290.12 and 320,967,443.16 is: 442,899,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,920,610.23 : 789,187,290.12 = 320,967,443.16 : x
  2. Step 2: Convert to fraction form
    571,920,610.23/789,187,290.12 = 320,967,443.16/x
  3. Step 3: Cross multiply
    571,920,610.23x = 789,187,290.12 × 320,967,443.16
  4. Step 4: Simplify right side
    571,920,610.23x = 253,303,426,684,185,536
  5. Step 5: Solve for x
    x = 253,303,426,684,185,536/571,920,610.23
  6. Step 6: Final answer
    x = 442,899,630.04

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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.