Home / 523,346,439.15-722,222,862.44-288,405,529.29

Finding the Fourth Proportional to 523,346,439.15, 722,222,862.44 and 288,405,529.29

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Solution

The fourth proportional to 523,346,439.15, 722,222,862.44 and 288,405,529.29 is: 398,002,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,439.15 : 722,222,862.44 = 288,405,529.29 : x
  2. Step 2: Convert to fraction form
    523,346,439.15/722,222,862.44 = 288,405,529.29/x
  3. Step 3: Cross multiply
    523,346,439.15x = 722,222,862.44 × 288,405,529.29
  4. Step 4: Simplify right side
    523,346,439.15x = 208,293,066,905,905,024
  5. Step 5: Solve for x
    x = 208,293,066,905,905,024/523,346,439.15
  6. Step 6: Final answer
    x = 398,002,262.60

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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.