Home / 1,521,504,281.60-2,282,256,422.40-1,418,711,782.40

Finding the Fourth Proportional to 1,521,504,281.60, 2,282,256,422.40 and 1,418,711,782.40

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Solution

The fourth proportional to 1,521,504,281.60, 2,282,256,422.40 and 1,418,711,782.40 is: 2,128,067,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,504,281.60 : 2,282,256,422.40 = 1,418,711,782.40 : x
  2. Step 2: Convert to fraction form
    1,521,504,281.60/2,282,256,422.40 = 1,418,711,782.40/x
  3. Step 3: Cross multiply
    1,521,504,281.60x = 2,282,256,422.40 × 1,418,711,782.40
  4. Step 4: Simplify right side
    1,521,504,281.60x = 3,237,864,076,916,951,552
  5. Step 5: Solve for x
    x = 3,237,864,076,916,951,552/1,521,504,281.60
  6. Step 6: Final answer
    x = 2,128,067,673.60

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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.