Home / 326,619,351.40-489,929,027.10-223,155,005.80

Finding the Fourth Proportional to 326,619,351.40, 489,929,027.10 and 223,155,005.80

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Solution

The fourth proportional to 326,619,351.40, 489,929,027.10 and 223,155,005.80 is: 334,732,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619,351.40 : 489,929,027.10 = 223,155,005.80 : x
  2. Step 2: Convert to fraction form
    326,619,351.40/489,929,027.10 = 223,155,005.80/x
  3. Step 3: Cross multiply
    326,619,351.40x = 489,929,027.10 × 223,155,005.80
  4. Step 4: Simplify right side
    326,619,351.40x = 109,330,114,884,088,864
  5. Step 5: Solve for x
    x = 109,330,114,884,088,864/326,619,351.40
  6. Step 6: Final answer
    x = 334,732,508.70

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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.