Home / 28,881,870,538.21-39,851,012,879.43-16,674,364,115.28

Finding the Fourth Proportional to 28,881,870,538.21, 39,851,012,879.43 and 16,674,364,115.28

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Solution

The fourth proportional to 28,881,870,538.21, 39,851,012,879.43 and 16,674,364,115.28 is: 23,007,176,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,870,538.21 : 39,851,012,879.43 = 16,674,364,115.28 : x
  2. Step 2: Convert to fraction form
    28,881,870,538.21/39,851,012,879.43 = 16,674,364,115.28/x
  3. Step 3: Cross multiply
    28,881,870,538.21x = 39,851,012,879.43 × 16,674,364,115.28
  4. Step 4: Simplify right side
    28,881,870,538.21x = 664,490,299,114,328,686,592
  5. Step 5: Solve for x
    x = 664,490,299,114,328,686,592/28,881,870,538.21
  6. Step 6: Final answer
    x = 23,007,176,707.45

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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.