Home / 472,392,400.70-708,588,601.05-416,909,960.30

Finding the Fourth Proportional to 472,392,400.70, 708,588,601.05 and 416,909,960.30

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Solution

The fourth proportional to 472,392,400.70, 708,588,601.05 and 416,909,960.30 is: 625,364,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,400.70 : 708,588,601.05 = 416,909,960.30 : x
  2. Step 2: Convert to fraction form
    472,392,400.70/708,588,601.05 = 416,909,960.30/x
  3. Step 3: Cross multiply
    472,392,400.70x = 708,588,601.05 × 416,909,960.30
  4. Step 4: Simplify right side
    472,392,400.70x = 295,417,645,532,788,032
  5. Step 5: Solve for x
    x = 295,417,645,532,788,032/472,392,400.70
  6. Step 6: Final answer
    x = 625,364,940.45

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Similar ratio
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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.