Home / 463,925,011.68-640,199,298.24-255,068,727.84

Finding the Fourth Proportional to 463,925,011.68, 640,199,298.24 and 255,068,727.84

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Solution

The fourth proportional to 463,925,011.68, 640,199,298.24 and 255,068,727.84 is: 351,985,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,925,011.68 : 640,199,298.24 = 255,068,727.84 : x
  2. Step 2: Convert to fraction form
    463,925,011.68/640,199,298.24 = 255,068,727.84/x
  3. Step 3: Cross multiply
    463,925,011.68x = 640,199,298.24 × 255,068,727.84
  4. Step 4: Simplify right side
    463,925,011.68x = 163,294,820,566,137,568
  5. Step 5: Solve for x
    x = 163,294,820,566,137,568/463,925,011.68
  6. Step 6: Final answer
    x = 351,985,377.93

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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.