Home / 916,385,788.90-1,264,654,032.24-540,058,259.62

Finding the Fourth Proportional to 916,385,788.90, 1,264,654,032.24 and 540,058,259.62

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Solution

The fourth proportional to 916,385,788.90, 1,264,654,032.24 and 540,058,259.62 is: 745,304,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,385,788.90 : 1,264,654,032.24 = 540,058,259.62 : x
  2. Step 2: Convert to fraction form
    916,385,788.90/1,264,654,032.24 = 540,058,259.62/x
  3. Step 3: Cross multiply
    916,385,788.90x = 1,264,654,032.24 × 540,058,259.62
  4. Step 4: Simplify right side
    916,385,788.90x = 682,986,855,672,949,760
  5. Step 5: Solve for x
    x = 682,986,855,672,949,760/916,385,788.90
  6. Step 6: Final answer
    x = 745,304,940.28

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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.