Home / 1,292,891,603,409-1,939,339,271,607.80-527,979,754,037.30

Finding the Fourth Proportional to 1,292,891,603,409, 1,939,339,271,607.80 and 527,979,754,037.30

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Solution

The fourth proportional to 1,292,891,603,409, 1,939,339,271,607.80 and 527,979,754,037.30 is: 791,970,393,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,891,603,409 : 1,939,339,271,607.80 = 527,979,754,037.30 : x
  2. Step 2: Convert to fraction form
    1,292,891,603,409/1,939,339,271,607.80 = 527,979,754,037.30/x
  3. Step 3: Cross multiply
    1,292,891,603,409x = 1,939,339,271,607.80 × 527,979,754,037.30
  4. Step 4: Simplify right side
    1,292,891,603,409x = 1,023,931,871,618,362,792,476,672
  5. Step 5: Solve for x
    x = 1,023,931,871,618,362,792,476,672/1,292,891,603,409
  6. Step 6: Final answer
    x = 791,970,393,278.55

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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.