Home / 528,713,839.15-792,577,681.11-178,716,387.40

Finding the Fourth Proportional to 528,713,839.15, 792,577,681.11 and 178,716,387.40

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Solution

The fourth proportional to 528,713,839.15, 792,577,681.11 and 178,716,387.40 is: 267,907,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,713,839.15 : 792,577,681.11 = 178,716,387.40 : x
  2. Step 2: Convert to fraction form
    528,713,839.15/792,577,681.11 = 178,716,387.40/x
  3. Step 3: Cross multiply
    528,713,839.15x = 792,577,681.11 × 178,716,387.40
  4. Step 4: Simplify right side
    528,713,839.15x = 141,646,619,899,866,992
  5. Step 5: Solve for x
    x = 141,646,619,899,866,992/528,713,839.15
  6. Step 6: Final answer
    x = 267,907,910.50

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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.