Home / 654,127,942.32-981,327,332.52-265,950,838.80

Finding the Fourth Proportional to 654,127,942.32, 981,327,332.52 and 265,950,838.80

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Solution

The fourth proportional to 654,127,942.32, 981,327,332.52 and 265,950,838.80 is: 398,981,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,127,942.32 : 981,327,332.52 = 265,950,838.80 : x
  2. Step 2: Convert to fraction form
    654,127,942.32/981,327,332.52 = 265,950,838.80/x
  3. Step 3: Cross multiply
    654,127,942.32x = 981,327,332.52 × 265,950,838.80
  4. Step 4: Simplify right side
    654,127,942.32x = 260,984,827,221,060,512
  5. Step 5: Solve for x
    x = 260,984,827,221,060,512/654,127,942.32
  6. Step 6: Final answer
    x = 398,981,315.94

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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.