Home / 571,920,611.23-789,187,291.50-320,967,444.16

Finding the Fourth Proportional to 571,920,611.23, 789,187,291.50 and 320,967,444.16

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Solution

The fourth proportional to 571,920,611.23, 789,187,291.50 and 320,967,444.16 is: 442,899,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,920,611.23 : 789,187,291.50 = 320,967,444.16 : x
  2. Step 2: Convert to fraction form
    571,920,611.23/789,187,291.50 = 320,967,444.16/x
  3. Step 3: Cross multiply
    571,920,611.23x = 789,187,291.50 × 320,967,444.16
  4. Step 4: Simplify right side
    571,920,611.23x = 253,303,427,916,307,904
  5. Step 5: Solve for x
    x = 253,303,427,916,307,904/571,920,611.23
  6. Step 6: Final answer
    x = 442,899,631.42

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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.