Home / 371,820,199.84-556,653,270.57-280,090,260.16

Finding the Fourth Proportional to 371,820,199.84, 556,653,270.57 and 280,090,260.16

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Solution

The fourth proportional to 371,820,199.84, 556,653,270.57 and 280,090,260.16 is: 419,324,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,820,199.84 : 556,653,270.57 = 280,090,260.16 : x
  2. Step 2: Convert to fraction form
    371,820,199.84/556,653,270.57 = 280,090,260.16/x
  3. Step 3: Cross multiply
    371,820,199.84x = 556,653,270.57 × 280,090,260.16
  4. Step 4: Simplify right side
    371,820,199.84x = 155,913,159,372,866,208
  5. Step 5: Solve for x
    x = 155,913,159,372,866,208/371,820,199.84
  6. Step 6: Final answer
    x = 419,324,069.64

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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.