Home / 1,292,891,603,500-1,939,339,271,744.10-527,979,754,128.50

Finding the Fourth Proportional to 1,292,891,603,500, 1,939,339,271,744.10 and 527,979,754,128.50

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Solution

The fourth proportional to 1,292,891,603,500, 1,939,339,271,744.10 and 527,979,754,128.50 is: 791,970,393,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,891,603,500 : 1,939,339,271,744.10 = 527,979,754,128.50 : x
  2. Step 2: Convert to fraction form
    1,292,891,603,500/1,939,339,271,744.10 = 527,979,754,128.50/x
  3. Step 3: Cross multiply
    1,292,891,603,500x = 1,939,339,271,744.10 × 527,979,754,128.50
  4. Step 4: Simplify right side
    1,292,891,603,500x = 1,023,931,871,867,194,272,907,264
  5. Step 5: Solve for x
    x = 1,023,931,871,867,194,272,907,264/1,292,891,603,500
  6. Step 6: Final answer
    x = 791,970,393,415.27

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Double scale
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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.