Home / 555,936,986.24-766,874,296.16-346,729,920.32

Finding the Fourth Proportional to 555,936,986.24, 766,874,296.16 and 346,729,920.32

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Solution

The fourth proportional to 555,936,986.24, 766,874,296.16 and 346,729,920.32 is: 478,288,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,936,986.24 : 766,874,296.16 = 346,729,920.32 : x
  2. Step 2: Convert to fraction form
    555,936,986.24/766,874,296.16 = 346,729,920.32/x
  3. Step 3: Cross multiply
    555,936,986.24x = 766,874,296.16 × 346,729,920.32
  4. Step 4: Simplify right side
    555,936,986.24x = 265,898,263,603,012,864
  5. Step 5: Solve for x
    x = 265,898,263,603,012,864/555,936,986.24
  6. Step 6: Final answer
    x = 478,288,493.45

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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.