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Finding the Fourth Proportional to 37,251,987,938.40, 55,877,981,907.60 and 37,251,987,938.40

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Solution

The fourth proportional to 37,251,987,938.40, 55,877,981,907.60 and 37,251,987,938.40 is: 55,877,981,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,251,987,938.40 : 55,877,981,907.60 = 37,251,987,938.40 : x
  2. Step 2: Convert to fraction form
    37,251,987,938.40/55,877,981,907.60 = 37,251,987,938.40/x
  3. Step 3: Cross multiply
    37,251,987,938.40x = 55,877,981,907.60 × 37,251,987,938.40
  4. Step 4: Simplify right side
    37,251,987,938.40x = 2,081,565,908,044,048,760,832
  5. Step 5: Solve for x
    x = 2,081,565,908,044,048,760,832/37,251,987,938.40
  6. Step 6: Final answer
    x = 55,877,981,907.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.