Home / 310,837,364.91-429,149,151.42-197,870,596.70

Finding the Fourth Proportional to 310,837,364.91, 429,149,151.42 and 197,870,596.70

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Solution

The fourth proportional to 310,837,364.91, 429,149,151.42 and 197,870,596.70 is: 273,184,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,364.91 : 429,149,151.42 = 197,870,596.70 : x
  2. Step 2: Convert to fraction form
    310,837,364.91/429,149,151.42 = 197,870,596.70/x
  3. Step 3: Cross multiply
    310,837,364.91x = 429,149,151.42 × 197,870,596.70
  4. Step 4: Simplify right side
    310,837,364.91x = 84,915,998,662,628,304
  5. Step 5: Solve for x
    x = 84,915,998,662,628,304/310,837,364.91
  6. Step 6: Final answer
    x = 273,184,656.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.