Home / 27,382,634,970.86-37,788,007,600.49-15,339,730,550.54

Finding the Fourth Proportional to 27,382,634,970.86, 37,788,007,600.49 and 15,339,730,550.54

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Solution

The fourth proportional to 27,382,634,970.86, 37,788,007,600.49 and 15,339,730,550.54 is: 21,168,812,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382,634,970.86 : 37,788,007,600.49 = 15,339,730,550.54 : x
  2. Step 2: Convert to fraction form
    27,382,634,970.86/37,788,007,600.49 = 15,339,730,550.54/x
  3. Step 3: Cross multiply
    27,382,634,970.86x = 37,788,007,600.49 × 15,339,730,550.54
  4. Step 4: Simplify right side
    27,382,634,970.86x = 579,657,854,633,260,023,808
  5. Step 5: Solve for x
    x = 579,657,854,633,260,023,808/27,382,634,970.86
  6. Step 6: Final answer
    x = 21,168,812,104.83

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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.