Home / 1,102,470,031.16-1,653,947,191.92-326,055,162.68

Finding the Fourth Proportional to 1,102,470,031.16, 1,653,947,191.92 and 326,055,162.68

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Solution

The fourth proportional to 1,102,470,031.16, 1,653,947,191.92 and 326,055,162.68 is: 489,154,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,470,031.16 : 1,653,947,191.92 = 326,055,162.68 : x
  2. Step 2: Convert to fraction form
    1,102,470,031.16/1,653,947,191.92 = 326,055,162.68/x
  3. Step 3: Cross multiply
    1,102,470,031.16x = 1,653,947,191.92 × 326,055,162.68
  4. Step 4: Simplify right side
    1,102,470,031.16x = 539,278,020,717,335,104
  5. Step 5: Solve for x
    x = 539,278,020,717,335,104/1,102,470,031.16
  6. Step 6: Final answer
    x = 489,154,358.38

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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.