Home / 372,832,820.56-514,513,327.04-205,569,405.44

Finding the Fourth Proportional to 372,832,820.56, 514,513,327.04 and 205,569,405.44

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Solution

The fourth proportional to 372,832,820.56, 514,513,327.04 and 205,569,405.44 is: 283,688,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,832,820.56 : 514,513,327.04 = 205,569,405.44 : x
  2. Step 2: Convert to fraction form
    372,832,820.56/514,513,327.04 = 205,569,405.44/x
  3. Step 3: Cross multiply
    372,832,820.56x = 514,513,327.04 × 205,569,405.44
  4. Step 4: Simplify right side
    372,832,820.56x = 105,768,198,730,569,072
  5. Step 5: Solve for x
    x = 105,768,198,730,569,072/372,832,820.56
  6. Step 6: Final answer
    x = 283,688,004.11

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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.