Home / 523,346,444.15-722,222,869.35-288,405,534.29

Finding the Fourth Proportional to 523,346,444.15, 722,222,869.35 and 288,405,534.29

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Solution

The fourth proportional to 523,346,444.15, 722,222,869.35 and 288,405,534.29 is: 398,002,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,444.15 : 722,222,869.35 = 288,405,534.29 : x
  2. Step 2: Convert to fraction form
    523,346,444.15/722,222,869.35 = 288,405,534.29/x
  3. Step 3: Cross multiply
    523,346,444.15x = 722,222,869.35 × 288,405,534.29
  4. Step 4: Simplify right side
    523,346,444.15x = 208,293,072,511,343,648
  5. Step 5: Solve for x
    x = 208,293,072,511,343,648/523,346,444.15
  6. Step 6: Final answer
    x = 398,002,269.51

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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.