Home / 1,437,485,126.52-1,983,729,459.24-777,435,404.52

Finding the Fourth Proportional to 1,437,485,126.52, 1,983,729,459.24 and 777,435,404.52

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Solution

The fourth proportional to 1,437,485,126.52, 1,983,729,459.24 and 777,435,404.52 is: 1,072,860,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,485,126.52 : 1,983,729,459.24 = 777,435,404.52 : x
  2. Step 2: Convert to fraction form
    1,437,485,126.52/1,983,729,459.24 = 777,435,404.52/x
  3. Step 3: Cross multiply
    1,437,485,126.52x = 1,983,729,459.24 × 777,435,404.52
  4. Step 4: Simplify right side
    1,437,485,126.52x = 1,542,221,514,602,490,112
  5. Step 5: Solve for x
    x = 1,542,221,514,602,490,112/1,437,485,126.52
  6. Step 6: Final answer
    x = 1,072,860,849.93

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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.