Home / 981,330,722.07-1,472,008,904.63-326,281,748.30

Finding the Fourth Proportional to 981,330,722.07, 1,472,008,904.63 and 326,281,748.30

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Solution

The fourth proportional to 981,330,722.07, 1,472,008,904.63 and 326,281,748.30 is: 489,426,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330,722.07 : 1,472,008,904.63 = 326,281,748.30 : x
  2. Step 2: Convert to fraction form
    981,330,722.07/1,472,008,904.63 = 326,281,748.30/x
  3. Step 3: Cross multiply
    981,330,722.07x = 1,472,008,904.63 × 326,281,748.30
  4. Step 4: Simplify right side
    981,330,722.07x = 480,289,638,906,852,928
  5. Step 5: Solve for x
    x = 480,289,638,906,852,928/981,330,722.07
  6. Step 6: Final answer
    x = 489,426,885.46

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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.