Home / 1,368,105,603.12-1,887,935,152.28-741,560,578.96

Finding the Fourth Proportional to 1,368,105,603.12, 1,887,935,152.28 and 741,560,578.96

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Solution

The fourth proportional to 1,368,105,603.12, 1,887,935,152.28 and 741,560,578.96 is: 1,023,326,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,105,603.12 : 1,887,935,152.28 = 741,560,578.96 : x
  2. Step 2: Convert to fraction form
    1,368,105,603.12/1,887,935,152.28 = 741,560,578.96/x
  3. Step 3: Cross multiply
    1,368,105,603.12x = 1,887,935,152.28 × 741,560,578.96
  4. Step 4: Simplify right side
    1,368,105,603.12x = 1,400,018,284,563,692,544
  5. Step 5: Solve for x
    x = 1,400,018,284,563,692,544/1,368,105,603.12
  6. Step 6: Final answer
    x = 1,023,326,182.84

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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.