Home / 280,902,078.30-421,353,117.45-246,889,854.30

Finding the Fourth Proportional to 280,902,078.30, 421,353,117.45 and 246,889,854.30

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Solution

The fourth proportional to 280,902,078.30, 421,353,117.45 and 246,889,854.30 is: 370,334,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,902,078.30 : 421,353,117.45 = 246,889,854.30 : x
  2. Step 2: Convert to fraction form
    280,902,078.30/421,353,117.45 = 246,889,854.30/x
  3. Step 3: Cross multiply
    280,902,078.30x = 421,353,117.45 × 246,889,854.30
  4. Step 4: Simplify right side
    280,902,078.30x = 104,027,809,776,081,296
  5. Step 5: Solve for x
    x = 104,027,809,776,081,296/280,902,078.30
  6. Step 6: Final answer
    x = 370,334,781.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.