Home / 354,426,079.72-489,115,819.59-195,655,826.64

Finding the Fourth Proportional to 354,426,079.72, 489,115,819.59 and 195,655,826.64

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Solution

The fourth proportional to 354,426,079.72, 489,115,819.59 and 195,655,826.64 is: 270,009,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,426,079.72 : 489,115,819.59 = 195,655,826.64 : x
  2. Step 2: Convert to fraction form
    354,426,079.72/489,115,819.59 = 195,655,826.64/x
  3. Step 3: Cross multiply
    354,426,079.72x = 489,115,819.59 × 195,655,826.64
  4. Step 4: Simplify right side
    354,426,079.72x = 95,698,360,002,014,656
  5. Step 5: Solve for x
    x = 95,698,360,002,014,656/354,426,079.72
  6. Step 6: Final answer
    x = 270,009,362.96

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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.