Home / 953,124,218.30-1,315,067,145.27-556,419,247.87

Finding the Fourth Proportional to 953,124,218.30, 1,315,067,145.27 and 556,419,247.87

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Solution

The fourth proportional to 953,124,218.30, 1,315,067,145.27 and 556,419,247.87 is: 767,715,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,124,218.30 : 1,315,067,145.27 = 556,419,247.87 : x
  2. Step 2: Convert to fraction form
    953,124,218.30/1,315,067,145.27 = 556,419,247.87/x
  3. Step 3: Cross multiply
    953,124,218.30x = 1,315,067,145.27 × 556,419,247.87
  4. Step 4: Simplify right side
    953,124,218.30x = 731,728,671,869,681,408
  5. Step 5: Solve for x
    x = 731,728,671,869,681,408/953,124,218.30
  6. Step 6: Final answer
    x = 767,715,957.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.