Home / 28,278,469,501.66-42,422,062,733.01-9,641,606,878.32

Finding the Fourth Proportional to 28,278,469,501.66, 42,422,062,733.01 and 9,641,606,878.32

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Solution

The fourth proportional to 28,278,469,501.66, 42,422,062,733.01 and 9,641,606,878.32 is: 14,463,896,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,501.66 : 42,422,062,733.01 = 9,641,606,878.32 : x
  2. Step 2: Convert to fraction form
    28,278,469,501.66/42,422,062,733.01 = 9,641,606,878.32/x
  3. Step 3: Cross multiply
    28,278,469,501.66x = 42,422,062,733.01 × 9,641,606,878.32
  4. Step 4: Simplify right side
    28,278,469,501.66x = 409,016,851,838,950,572,032
  5. Step 5: Solve for x
    x = 409,016,851,838,950,572,032/28,278,469,501.66
  6. Step 6: Final answer
    x = 14,463,896,351.07

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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.