Home / 1,437,485,147.52-1,983,729,488.22-777,435,425.52

Finding the Fourth Proportional to 1,437,485,147.52, 1,983,729,488.22 and 777,435,425.52

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Solution

The fourth proportional to 1,437,485,147.52, 1,983,729,488.22 and 777,435,425.52 is: 1,072,860,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,485,147.52 : 1,983,729,488.22 = 777,435,425.52 : x
  2. Step 2: Convert to fraction form
    1,437,485,147.52/1,983,729,488.22 = 777,435,425.52/x
  3. Step 3: Cross multiply
    1,437,485,147.52x = 1,983,729,488.22 × 777,435,425.52
  4. Step 4: Simplify right side
    1,437,485,147.52x = 1,542,221,578,790,887,424
  5. Step 5: Solve for x
    x = 1,542,221,578,790,887,424/1,437,485,147.52
  6. Step 6: Final answer
    x = 1,072,860,878.91

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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.