Home / 472,392,005.55-708,588,008.33-427,042,373.55

Finding the Fourth Proportional to 472,392,005.55, 708,588,008.33 and 427,042,373.55

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Solution

The fourth proportional to 472,392,005.55, 708,588,008.33 and 427,042,373.55 is: 640,563,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,005.55 : 708,588,008.33 = 427,042,373.55 : x
  2. Step 2: Convert to fraction form
    472,392,005.55/708,588,008.33 = 427,042,373.55/x
  3. Step 3: Cross multiply
    472,392,005.55x = 708,588,008.33 × 427,042,373.55
  4. Step 4: Simplify right side
    472,392,005.55x = 302,597,104,944,175,168
  5. Step 5: Solve for x
    x = 302,597,104,944,175,168/472,392,005.55
  6. Step 6: Final answer
    x = 640,563,560.33

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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.