Home / 462,820,907.25-638,711,266.40-253,984,523.35

Finding the Fourth Proportional to 462,820,907.25, 638,711,266.40 and 253,984,523.35

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Solution

The fourth proportional to 462,820,907.25, 638,711,266.40 and 253,984,523.35 is: 350,508,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,820,907.25 : 638,711,266.40 = 253,984,523.35 : x
  2. Step 2: Convert to fraction form
    462,820,907.25/638,711,266.40 = 253,984,523.35/x
  3. Step 3: Cross multiply
    462,820,907.25x = 638,711,266.40 × 253,984,523.35
  4. Step 4: Simplify right side
    462,820,907.25x = 162,222,776,554,878,848
  5. Step 5: Solve for x
    x = 162,222,776,554,878,848/462,820,907.25
  6. Step 6: Final answer
    x = 350,508,747.58

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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.