Home / 472,392,488.70-708,588,733.05-355,995,099.90

Finding the Fourth Proportional to 472,392,488.70, 708,588,733.05 and 355,995,099.90

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Solution

The fourth proportional to 472,392,488.70, 708,588,733.05 and 355,995,099.90 is: 533,992,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,488.70 : 708,588,733.05 = 355,995,099.90 : x
  2. Step 2: Convert to fraction form
    472,392,488.70/708,588,733.05 = 355,995,099.90/x
  3. Step 3: Cross multiply
    472,392,488.70x = 708,588,733.05 × 355,995,099.90
  4. Step 4: Simplify right side
    472,392,488.70x = 252,254,116,810,149,152
  5. Step 5: Solve for x
    x = 252,254,116,810,149,152/472,392,488.70
  6. Step 6: Final answer
    x = 533,992,649.85

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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.