Home / 486,775,221.36-671,750,396.04-263,756,727

Finding the Fourth Proportional to 486,775,221.36, 671,750,396.04 and 263,756,727

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Solution

The fourth proportional to 486,775,221.36, 671,750,396.04 and 263,756,727 is: 363,984,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,775,221.36 : 671,750,396.04 = 263,756,727 : x
  2. Step 2: Convert to fraction form
    486,775,221.36/671,750,396.04 = 263,756,727/x
  3. Step 3: Cross multiply
    486,775,221.36x = 671,750,396.04 × 263,756,727
  4. Step 4: Simplify right side
    486,775,221.36x = 177,178,685,820,464,160
  5. Step 5: Solve for x
    x = 177,178,685,820,464,160/486,775,221.36
  6. Step 6: Final answer
    x = 363,984,603.25

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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.