Home / 652,855,003.20-979,282,504.80-216,223,077.60

Finding the Fourth Proportional to 652,855,003.20, 979,282,504.80 and 216,223,077.60

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Solution

The fourth proportional to 652,855,003.20, 979,282,504.80 and 216,223,077.60 is: 324,334,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,855,003.20 : 979,282,504.80 = 216,223,077.60 : x
  2. Step 2: Convert to fraction form
    652,855,003.20/979,282,504.80 = 216,223,077.60/x
  3. Step 3: Cross multiply
    652,855,003.20x = 979,282,504.80 × 216,223,077.60
  4. Step 4: Simplify right side
    652,855,003.20x = 211,743,477,027,692,768
  5. Step 5: Solve for x
    x = 211,743,477,027,692,768/652,855,003.20
  6. Step 6: Final answer
    x = 324,334,616.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.