Home / 467,407,740.40-645,037,972.04-255,709,659.96

Finding the Fourth Proportional to 467,407,740.40, 645,037,972.04 and 255,709,659.96

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Solution

The fourth proportional to 467,407,740.40, 645,037,972.04 and 255,709,659.96 is: 352,887,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,407,740.40 : 645,037,972.04 = 255,709,659.96 : x
  2. Step 2: Convert to fraction form
    467,407,740.40/645,037,972.04 = 255,709,659.96/x
  3. Step 3: Cross multiply
    467,407,740.40x = 645,037,972.04 × 255,709,659.96
  4. Step 4: Simplify right side
    467,407,740.40x = 164,942,440,491,943,488
  5. Step 5: Solve for x
    x = 164,942,440,491,943,488/467,407,740.40
  6. Step 6: Final answer
    x = 352,887,695.77

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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.