Home / 21,746,499,953.86-30,012,782,470.16-13,172,675,025.68

Finding the Fourth Proportional to 21,746,499,953.86, 30,012,782,470.16 and 13,172,675,025.68

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Solution

The fourth proportional to 21,746,499,953.86, 30,012,782,470.16 and 13,172,675,025.68 is: 18,179,874,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746,499,953.86 : 30,012,782,470.16 = 13,172,675,025.68 : x
  2. Step 2: Convert to fraction form
    21,746,499,953.86/30,012,782,470.16 = 13,172,675,025.68/x
  3. Step 3: Cross multiply
    21,746,499,953.86x = 30,012,782,470.16 × 13,172,675,025.68
  4. Step 4: Simplify right side
    21,746,499,953.86x = 395,348,630,095,756,787,712
  5. Step 5: Solve for x
    x = 395,348,630,095,756,787,712/21,746,499,953.86
  6. Step 6: Final answer
    x = 18,179,874,045.69

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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.