Home / 387,273,839.40-581,081,899.86-202,997,254.14

Finding the Fourth Proportional to 387,273,839.40, 581,081,899.86 and 202,997,254.14

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Solution

The fourth proportional to 387,273,839.40, 581,081,899.86 and 202,997,254.14 is: 304,585,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,273,839.40 : 581,081,899.86 = 202,997,254.14 : x
  2. Step 2: Convert to fraction form
    387,273,839.40/581,081,899.86 = 202,997,254.14/x
  3. Step 3: Cross multiply
    387,273,839.40x = 581,081,899.86 × 202,997,254.14
  4. Step 4: Simplify right side
    387,273,839.40x = 117,958,030,102,034,448
  5. Step 5: Solve for x
    x = 117,958,030,102,034,448/387,273,839.40
  6. Step 6: Final answer
    x = 304,585,588.03

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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.