Home / 456,637,872.80-684,954,878.15-165,436,721.12

Finding the Fourth Proportional to 456,637,872.80, 684,954,878.15 and 165,436,721.12

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Solution

The fourth proportional to 456,637,872.80, 684,954,878.15 and 165,436,721.12 is: 248,154,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,637,872.80 : 684,954,878.15 = 165,436,721.12 : x
  2. Step 2: Convert to fraction form
    456,637,872.80/684,954,878.15 = 165,436,721.12/x
  3. Step 3: Cross multiply
    456,637,872.80x = 684,954,878.15 × 165,436,721.12
  4. Step 4: Simplify right side
    456,637,872.80x = 113,316,689,153,273,968
  5. Step 5: Solve for x
    x = 113,316,689,153,273,968/456,637,872.80
  6. Step 6: Final answer
    x = 248,154,382.07

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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.