Home / 891,902,477.70-1,337,853,716.55-245,670,221.70

Finding the Fourth Proportional to 891,902,477.70, 1,337,853,716.55 and 245,670,221.70

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Solution

The fourth proportional to 891,902,477.70, 1,337,853,716.55 and 245,670,221.70 is: 368,505,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,902,477.70 : 1,337,853,716.55 = 245,670,221.70 : x
  2. Step 2: Convert to fraction form
    891,902,477.70/1,337,853,716.55 = 245,670,221.70/x
  3. Step 3: Cross multiply
    891,902,477.70x = 1,337,853,716.55 × 245,670,221.70
  4. Step 4: Simplify right side
    891,902,477.70x = 328,670,819,147,007,424
  5. Step 5: Solve for x
    x = 328,670,819,147,007,424/891,902,477.70
  6. Step 6: Final answer
    x = 368,505,332.55

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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.