Home / 403,704,730.47-557,112,751.97-218,065,747.17

Finding the Fourth Proportional to 403,704,730.47, 557,112,751.97 and 218,065,747.17

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Solution

The fourth proportional to 403,704,730.47, 557,112,751.97 and 218,065,747.17 is: 300,930,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,730.47 : 557,112,751.97 = 218,065,747.17 : x
  2. Step 2: Convert to fraction form
    403,704,730.47/557,112,751.97 = 218,065,747.17/x
  3. Step 3: Cross multiply
    403,704,730.47x = 557,112,751.97 × 218,065,747.17
  4. Step 4: Simplify right side
    403,704,730.47x = 121,487,208,515,182,608
  5. Step 5: Solve for x
    x = 121,487,208,515,182,608/403,704,730.47
  6. Step 6: Final answer
    x = 300,930,852.05

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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.