Home / 523,346,444.40-722,222,869.70-288,405,534.54

Finding the Fourth Proportional to 523,346,444.40, 722,222,869.70 and 288,405,534.54

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Solution

The fourth proportional to 523,346,444.40, 722,222,869.70 and 288,405,534.54 is: 398,002,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,444.40 : 722,222,869.70 = 288,405,534.54 : x
  2. Step 2: Convert to fraction form
    523,346,444.40/722,222,869.70 = 288,405,534.54/x
  3. Step 3: Cross multiply
    523,346,444.40x = 722,222,869.70 × 288,405,534.54
  4. Step 4: Simplify right side
    523,346,444.40x = 208,293,072,791,399,264
  5. Step 5: Solve for x
    x = 208,293,072,791,399,264/523,346,444.40
  6. Step 6: Final answer
    x = 398,002,269.85

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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.