Home / 28,881,870,537.21-39,851,012,878.05-16,674,364,114.28

Finding the Fourth Proportional to 28,881,870,537.21, 39,851,012,878.05 and 16,674,364,114.28

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Solution

The fourth proportional to 28,881,870,537.21, 39,851,012,878.05 and 16,674,364,114.28 is: 23,007,176,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,870,537.21 : 39,851,012,878.05 = 16,674,364,114.28 : x
  2. Step 2: Convert to fraction form
    28,881,870,537.21/39,851,012,878.05 = 16,674,364,114.28/x
  3. Step 3: Cross multiply
    28,881,870,537.21x = 39,851,012,878.05 × 16,674,364,114.28
  4. Step 4: Simplify right side
    28,881,870,537.21x = 664,490,299,051,267,850,240
  5. Step 5: Solve for x
    x = 664,490,299,051,267,850,240/28,881,870,537.21
  6. Step 6: Final answer
    x = 23,007,176,706.06

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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.