Home / 472,392,355.20-708,588,532.80-242,384,690.40

Finding the Fourth Proportional to 472,392,355.20, 708,588,532.80 and 242,384,690.40

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Solution

The fourth proportional to 472,392,355.20, 708,588,532.80 and 242,384,690.40 is: 363,577,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,355.20 : 708,588,532.80 = 242,384,690.40 : x
  2. Step 2: Convert to fraction form
    472,392,355.20/708,588,532.80 = 242,384,690.40/x
  3. Step 3: Cross multiply
    472,392,355.20x = 708,588,532.80 × 242,384,690.40
  4. Step 4: Simplify right side
    472,392,355.20x = 171,751,012,143,718,240
  5. Step 5: Solve for x
    x = 171,751,012,143,718,240/472,392,355.20
  6. Step 6: Final answer
    x = 363,577,035.60

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1.5x scale

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.