Home / 2,101,085,775.52-2,899,408,296.72-1,161,239,815.84

Finding the Fourth Proportional to 2,101,085,775.52, 2,899,408,296.72 and 1,161,239,815.84

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Solution

The fourth proportional to 2,101,085,775.52, 2,899,408,296.72 and 1,161,239,815.84 is: 1,602,461,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,085,775.52 : 2,899,408,296.72 = 1,161,239,815.84 : x
  2. Step 2: Convert to fraction form
    2,101,085,775.52/2,899,408,296.72 = 1,161,239,815.84/x
  3. Step 3: Cross multiply
    2,101,085,775.52x = 2,899,408,296.72 × 1,161,239,815.84
  4. Step 4: Simplify right side
    2,101,085,775.52x = 3,366,908,356,528,100,352
  5. Step 5: Solve for x
    x = 3,366,908,356,528,100,352/2,101,085,775.52
  6. Step 6: Final answer
    x = 1,602,461,163.54

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Double scale
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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.