Home / 326,712,015.30-489,470,826.15-265,797,941.70

Finding the Fourth Proportional to 326,712,015.30, 489,470,826.15 and 265,797,941.70

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Solution

The fourth proportional to 326,712,015.30, 489,470,826.15 and 265,797,941.70 is: 398,211,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,712,015.30 : 489,470,826.15 = 265,797,941.70 : x
  2. Step 2: Convert to fraction form
    326,712,015.30/489,470,826.15 = 265,797,941.70/x
  3. Step 3: Cross multiply
    326,712,015.30x = 489,470,826.15 × 265,797,941.70
  4. Step 4: Simplify right side
    326,712,015.30x = 130,100,338,112,868,528
  5. Step 5: Solve for x
    x = 130,100,338,112,868,528/326,712,015.30
  6. Step 6: Final answer
    x = 398,211,060.57

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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.