Home / 807,408,058.60-1,211,112,087.90-531,909,044.20

Finding the Fourth Proportional to 807,408,058.60, 1,211,112,087.90 and 531,909,044.20

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Solution

The fourth proportional to 807,408,058.60, 1,211,112,087.90 and 531,909,044.20 is: 797,863,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,408,058.60 : 1,211,112,087.90 = 531,909,044.20 : x
  2. Step 2: Convert to fraction form
    807,408,058.60/1,211,112,087.90 = 531,909,044.20/x
  3. Step 3: Cross multiply
    807,408,058.60x = 1,211,112,087.90 × 531,909,044.20
  4. Step 4: Simplify right side
    807,408,058.60x = 644,201,473,093,955,456
  5. Step 5: Solve for x
    x = 644,201,473,093,955,456/807,408,058.60
  6. Step 6: Final answer
    x = 797,863,566.30

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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.