Home / 907,565,799.96-1,252,504,943.22-505,706,225.06

Finding the Fourth Proportional to 907,565,799.96, 1,252,504,943.22 and 505,706,225.06

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Solution

The fourth proportional to 907,565,799.96, 1,252,504,943.22 and 505,706,225.06 is: 697,910,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,565,799.96 : 1,252,504,943.22 = 505,706,225.06 : x
  2. Step 2: Convert to fraction form
    907,565,799.96/1,252,504,943.22 = 505,706,225.06/x
  3. Step 3: Cross multiply
    907,565,799.96x = 1,252,504,943.22 × 505,706,225.06
  4. Step 4: Simplify right side
    907,565,799.96x = 633,399,546,704,775,808
  5. Step 5: Solve for x
    x = 633,399,546,704,775,808/907,565,799.96
  6. Step 6: Final answer
    x = 697,910,329.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.