Home / 314,586,280.76-434,315,081.12-279,682,397.82

Finding the Fourth Proportional to 314,586,280.76, 434,315,081.12 and 279,682,397.82

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Solution

The fourth proportional to 314,586,280.76, 434,315,081.12 and 279,682,397.82 is: 386,127,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,586,280.76 : 434,315,081.12 = 279,682,397.82 : x
  2. Step 2: Convert to fraction form
    314,586,280.76/434,315,081.12 = 279,682,397.82/x
  3. Step 3: Cross multiply
    314,586,280.76x = 434,315,081.12 × 279,682,397.82
  4. Step 4: Simplify right side
    314,586,280.76x = 121,470,283,295,630,992
  5. Step 5: Solve for x
    x = 121,470,283,295,630,992/314,586,280.76
  6. Step 6: Final answer
    x = 386,127,084.13

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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.