Home / 472,392,530.20-708,588,795.30-242,384,865.40

Finding the Fourth Proportional to 472,392,530.20, 708,588,795.30 and 242,384,865.40

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Solution

The fourth proportional to 472,392,530.20, 708,588,795.30 and 242,384,865.40 is: 363,577,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,530.20 : 708,588,795.30 = 242,384,865.40 : x
  2. Step 2: Convert to fraction form
    472,392,530.20/708,588,795.30 = 242,384,865.40/x
  3. Step 3: Cross multiply
    472,392,530.20x = 708,588,795.30 × 242,384,865.40
  4. Step 4: Simplify right side
    472,392,530.20x = 171,751,199,772,738,656
  5. Step 5: Solve for x
    x = 171,751,199,772,738,656/472,392,530.20
  6. Step 6: Final answer
    x = 363,577,298.10

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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.