Home / 31,133,718,518.38-46,775,080,323.42-19,963,477,720.96

Finding the Fourth Proportional to 31,133,718,518.38, 46,775,080,323.42 and 19,963,477,720.96

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Solution

The fourth proportional to 31,133,718,518.38, 46,775,080,323.42 and 19,963,477,720.96 is: 29,992,988,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,718,518.38 : 46,775,080,323.42 = 19,963,477,720.96 : x
  2. Step 2: Convert to fraction form
    31,133,718,518.38/46,775,080,323.42 = 19,963,477,720.96/x
  3. Step 3: Cross multiply
    31,133,718,518.38x = 46,775,080,323.42 × 19,963,477,720.96
  4. Step 4: Simplify right side
    31,133,718,518.38x = 933,793,273,932,709,625,856
  5. Step 5: Solve for x
    x = 933,793,273,932,709,625,856/31,133,718,518.38
  6. Step 6: Final answer
    x = 29,992,988,899.85

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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.