Home / 762,929,266.65-1,142,725,418.96-540,927,678.25

Finding the Fourth Proportional to 762,929,266.65, 1,142,725,418.96 and 540,927,678.25

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Solution

The fourth proportional to 762,929,266.65, 1,142,725,418.96 and 540,927,678.25 is: 810,208,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,929,266.65 : 1,142,725,418.96 = 540,927,678.25 : x
  2. Step 2: Convert to fraction form
    762,929,266.65/1,142,725,418.96 = 540,927,678.25/x
  3. Step 3: Cross multiply
    762,929,266.65x = 1,142,725,418.96 × 540,927,678.25
  4. Step 4: Simplify right side
    762,929,266.65x = 618,131,807,755,291,392
  5. Step 5: Solve for x
    x = 618,131,807,755,291,392/762,929,266.65
  6. Step 6: Final answer
    x = 810,208,540.65

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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.