Home / 420,332,969,303.58-630,580,573,118.25-137,275,715,960.22

Finding the Fourth Proportional to 420,332,969,303.58, 630,580,573,118.25 and 137,275,715,960.22

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Solution

The fourth proportional to 420,332,969,303.58, 630,580,573,118.25 and 137,275,715,960.22 is: 205,940,066,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,332,969,303.58 : 630,580,573,118.25 = 137,275,715,960.22 : x
  2. Step 2: Convert to fraction form
    420,332,969,303.58/630,580,573,118.25 = 137,275,715,960.22/x
  3. Step 3: Cross multiply
    420,332,969,303.58x = 630,580,573,118.25 × 137,275,715,960.22
  4. Step 4: Simplify right side
    420,332,969,303.58x = 86,563,399,645,413,626,609,664
  5. Step 5: Solve for x
    x = 86,563,399,645,413,626,609,664/420,332,969,303.58
  6. Step 6: Final answer
    x = 205,940,066,487.85

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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.