Home / 1,422,463,416.80-1,963,304,458.80-865,725,766.88

Finding the Fourth Proportional to 1,422,463,416.80, 1,963,304,458.80 and 865,725,766.88

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Solution

The fourth proportional to 1,422,463,416.80, 1,963,304,458.80 and 865,725,766.88 is: 1,194,887,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,463,416.80 : 1,963,304,458.80 = 865,725,766.88 : x
  2. Step 2: Convert to fraction form
    1,422,463,416.80/1,963,304,458.80 = 865,725,766.88/x
  3. Step 3: Cross multiply
    1,422,463,416.80x = 1,963,304,458.80 × 865,725,766.88
  4. Step 4: Simplify right side
    1,422,463,416.80x = 1,699,683,258,213,553,408
  5. Step 5: Solve for x
    x = 1,699,683,258,213,553,408/1,422,463,416.80
  6. Step 6: Final answer
    x = 1,194,887,150.09

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1.5x scale

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.