Home / 1,408,612,947.12-2,113,328,362.05-567,821,782.80

Finding the Fourth Proportional to 1,408,612,947.12, 2,113,328,362.05 and 567,821,782.80

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Solution

The fourth proportional to 1,408,612,947.12, 2,113,328,362.05 and 567,821,782.80 is: 851,897,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,612,947.12 : 2,113,328,362.05 = 567,821,782.80 : x
  2. Step 2: Convert to fraction form
    1,408,612,947.12/2,113,328,362.05 = 567,821,782.80/x
  3. Step 3: Cross multiply
    1,408,612,947.12x = 2,113,328,362.05 × 567,821,782.80
  4. Step 4: Simplify right side
    1,408,612,947.12x = 1,199,993,878,181,034,752
  5. Step 5: Solve for x
    x = 1,199,993,878,181,034,752/1,408,612,947.12
  6. Step 6: Final answer
    x = 851,897,521.34

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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.