Home / 848,428,316.06-1,272,643,950.33-266,207,242.78

Finding the Fourth Proportional to 848,428,316.06, 1,272,643,950.33 and 266,207,242.78

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Solution

The fourth proportional to 848,428,316.06, 1,272,643,950.33 and 266,207,242.78 is: 399,311,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,428,316.06 : 1,272,643,950.33 = 266,207,242.78 : x
  2. Step 2: Convert to fraction form
    848,428,316.06/1,272,643,950.33 = 266,207,242.78/x
  3. Step 3: Cross multiply
    848,428,316.06x = 1,272,643,950.33 × 266,207,242.78
  4. Step 4: Simplify right side
    848,428,316.06x = 338,787,037,057,996,544
  5. Step 5: Solve for x
    x = 338,787,037,057,996,544/848,428,316.06
  6. Step 6: Final answer
    x = 399,311,327.36

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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.