Home / 373,130,964.90-514,922,511.78-205,867,215.54

Finding the Fourth Proportional to 373,130,964.90, 514,922,511.78 and 205,867,215.54

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Solution

The fourth proportional to 373,130,964.90, 514,922,511.78 and 205,867,215.54 is: 284,097,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,130,964.90 : 514,922,511.78 = 205,867,215.54 : x
  2. Step 2: Convert to fraction form
    373,130,964.90/514,922,511.78 = 205,867,215.54/x
  3. Step 3: Cross multiply
    373,130,964.90x = 514,922,511.78 × 205,867,215.54
  4. Step 4: Simplify right side
    373,130,964.90x = 106,005,663,719,011,440
  5. Step 5: Solve for x
    x = 106,005,663,719,011,440/373,130,964.90
  6. Step 6: Final answer
    x = 284,097,739.64

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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.