Home / 372,605,445.84-514,199,026.32-205,347,729.39

Finding the Fourth Proportional to 372,605,445.84, 514,199,026.32 and 205,347,729.39

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Solution

The fourth proportional to 372,605,445.84, 514,199,026.32 and 205,347,729.39 is: 283,381,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,605,445.84 : 514,199,026.32 = 205,347,729.39 : x
  2. Step 2: Convert to fraction form
    372,605,445.84/514,199,026.32 = 205,347,729.39/x
  3. Step 3: Cross multiply
    372,605,445.84x = 514,199,026.32 × 205,347,729.39
  4. Step 4: Simplify right side
    372,605,445.84x = 105,589,602,509,360,832
  5. Step 5: Solve for x
    x = 105,589,602,509,360,832/372,605,445.84
  6. Step 6: Final answer
    x = 283,381,801.55

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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.