Home / 520,661,511.56-718,334,920.14-297,483,060.44

Finding the Fourth Proportional to 520,661,511.56, 718,334,920.14 and 297,483,060.44

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Solution

The fourth proportional to 520,661,511.56, 718,334,920.14 and 297,483,060.44 is: 410,424,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,661,511.56 : 718,334,920.14 = 297,483,060.44 : x
  2. Step 2: Convert to fraction form
    520,661,511.56/718,334,920.14 = 297,483,060.44/x
  3. Step 3: Cross multiply
    520,661,511.56x = 718,334,920.14 × 297,483,060.44
  4. Step 4: Simplify right side
    520,661,511.56x = 213,692,470,464,170,176
  5. Step 5: Solve for x
    x = 213,692,470,464,170,176/520,661,511.56
  6. Step 6: Final answer
    x = 410,424,941.58

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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.