Home / 403,704,730.97-557,112,752.66-218,065,747.67

Finding the Fourth Proportional to 403,704,730.97, 557,112,752.66 and 218,065,747.67

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Solution

The fourth proportional to 403,704,730.97, 557,112,752.66 and 218,065,747.67 is: 300,930,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,730.97 : 557,112,752.66 = 218,065,747.67 : x
  2. Step 2: Convert to fraction form
    403,704,730.97/557,112,752.66 = 218,065,747.67/x
  3. Step 3: Cross multiply
    403,704,730.97x = 557,112,752.66 × 218,065,747.67
  4. Step 4: Simplify right side
    403,704,730.97x = 121,487,208,944,204,336
  5. Step 5: Solve for x
    x = 121,487,208,944,204,336/403,704,730.97
  6. Step 6: Final answer
    x = 300,930,852.74

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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.