Home / 1,292,891,603,500.20-1,939,339,271,744.50-527,979,754,128.75

Finding the Fourth Proportional to 1,292,891,603,500.20, 1,939,339,271,744.50 and 527,979,754,128.75

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Solution

The fourth proportional to 1,292,891,603,500.20, 1,939,339,271,744.50 and 527,979,754,128.75 is: 791,970,393,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,891,603,500.20 : 1,939,339,271,744.50 = 527,979,754,128.75 : x
  2. Step 2: Convert to fraction form
    1,292,891,603,500.20/1,939,339,271,744.50 = 527,979,754,128.75/x
  3. Step 3: Cross multiply
    1,292,891,603,500.20x = 1,939,339,271,744.50 × 527,979,754,128.75
  4. Step 4: Simplify right side
    1,292,891,603,500.20x = 1,023,931,871,867,890,191,826,944
  5. Step 5: Solve for x
    x = 1,023,931,871,867,890,191,826,944/1,292,891,603,500.20
  6. Step 6: Final answer
    x = 791,970,393,415.69

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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.