Home / 1,248,304,164.72-1,872,222,150.06-626,352,402.30

Finding the Fourth Proportional to 1,248,304,164.72, 1,872,222,150.06 and 626,352,402.30

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Solution

The fourth proportional to 1,248,304,164.72, 1,872,222,150.06 and 626,352,402.30 is: 939,411,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,304,164.72 : 1,872,222,150.06 = 626,352,402.30 : x
  2. Step 2: Convert to fraction form
    1,248,304,164.72/1,872,222,150.06 = 626,352,402.30/x
  3. Step 3: Cross multiply
    1,248,304,164.72x = 1,872,222,150.06 × 626,352,402.30
  4. Step 4: Simplify right side
    1,248,304,164.72x = 1,172,670,841,329,351,936
  5. Step 5: Solve for x
    x = 1,172,670,841,329,351,936/1,248,304,164.72
  6. Step 6: Final answer
    x = 939,411,142.31

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Double scale
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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.