Home / 472,330,838.70-708,595,790.85-199,561,200.30

Finding the Fourth Proportional to 472,330,838.70, 708,595,790.85 and 199,561,200.30

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Solution

The fourth proportional to 472,330,838.70, 708,595,790.85 and 199,561,200.30 is: 299,383,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,330,838.70 : 708,595,790.85 = 199,561,200.30 : x
  2. Step 2: Convert to fraction form
    472,330,838.70/708,595,790.85 = 199,561,200.30/x
  3. Step 3: Cross multiply
    472,330,838.70x = 708,595,790.85 × 199,561,200.30
  4. Step 4: Simplify right side
    472,330,838.70x = 141,408,226,549,553,776
  5. Step 5: Solve for x
    x = 141,408,226,549,553,776/472,330,838.70
  6. Step 6: Final answer
    x = 299,383,853.36

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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.