Home / 423,958,962.40-635,938,443.60-229,963,314.40

Finding the Fourth Proportional to 423,958,962.40, 635,938,443.60 and 229,963,314.40

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Solution

The fourth proportional to 423,958,962.40, 635,938,443.60 and 229,963,314.40 is: 344,944,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,958,962.40 : 635,938,443.60 = 229,963,314.40 : x
  2. Step 2: Convert to fraction form
    423,958,962.40/635,938,443.60 = 229,963,314.40/x
  3. Step 3: Cross multiply
    423,958,962.40x = 635,938,443.60 × 229,963,314.40
  4. Step 4: Simplify right side
    423,958,962.40x = 146,242,512,244,633,472
  5. Step 5: Solve for x
    x = 146,242,512,244,633,472/423,958,962.40
  6. Step 6: Final answer
    x = 344,944,971.60

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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.