Home / 472,395,557.70-708,593,336.55-342,298,800.90

Finding the Fourth Proportional to 472,395,557.70, 708,593,336.55 and 342,298,800.90

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Solution

The fourth proportional to 472,395,557.70, 708,593,336.55 and 342,298,800.90 is: 513,448,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,557.70 : 708,593,336.55 = 342,298,800.90 : x
  2. Step 2: Convert to fraction form
    472,395,557.70/708,593,336.55 = 342,298,800.90/x
  3. Step 3: Cross multiply
    472,395,557.70x = 708,593,336.55 × 342,298,800.90
  4. Step 4: Simplify right side
    472,395,557.70x = 242,550,649,426,795,104
  5. Step 5: Solve for x
    x = 242,550,649,426,795,104/472,395,557.70
  6. Step 6: Final answer
    x = 513,448,201.35

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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.