Home / 372,605,442.32-514,199,021.48-205,347,725.88

Finding the Fourth Proportional to 372,605,442.32, 514,199,021.48 and 205,347,725.88

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Solution

The fourth proportional to 372,605,442.32, 514,199,021.48 and 205,347,725.88 is: 283,381,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,605,442.32 : 514,199,021.48 = 205,347,725.88 : x
  2. Step 2: Convert to fraction form
    372,605,442.32/514,199,021.48 = 205,347,725.88/x
  3. Step 3: Cross multiply
    372,605,442.32x = 514,199,021.48 × 205,347,725.88
  4. Step 4: Simplify right side
    372,605,442.32x = 105,589,599,710,639,280
  5. Step 5: Solve for x
    x = 105,589,599,710,639,280/372,605,442.32
  6. Step 6: Final answer
    x = 283,381,796.72

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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.