Home / 2,618,801,979.73-3,618,674,063.71-1,864,806,134.87

Finding the Fourth Proportional to 2,618,801,979.73, 3,618,674,063.71 and 1,864,806,134.87

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Solution

The fourth proportional to 2,618,801,979.73, 3,618,674,063.71 and 1,864,806,134.87 is: 2,576,798,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,801,979.73 : 3,618,674,063.71 = 1,864,806,134.87 : x
  2. Step 2: Convert to fraction form
    2,618,801,979.73/3,618,674,063.71 = 1,864,806,134.87/x
  3. Step 3: Cross multiply
    2,618,801,979.73x = 3,618,674,063.71 × 1,864,806,134.87
  4. Step 4: Simplify right side
    2,618,801,979.73x = 6,748,125,594,105,745,408
  5. Step 5: Solve for x
    x = 6,748,125,594,105,745,408/2,618,801,979.73
  6. Step 6: Final answer
    x = 2,576,798,721.84

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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.