Home / 459,968,435.40-689,952,653.10-296,709,760.20

Finding the Fourth Proportional to 459,968,435.40, 689,952,653.10 and 296,709,760.20

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Solution

The fourth proportional to 459,968,435.40, 689,952,653.10 and 296,709,760.20 is: 445,064,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,968,435.40 : 689,952,653.10 = 296,709,760.20 : x
  2. Step 2: Convert to fraction form
    459,968,435.40/689,952,653.10 = 296,709,760.20/x
  3. Step 3: Cross multiply
    459,968,435.40x = 689,952,653.10 × 296,709,760.20
  4. Step 4: Simplify right side
    459,968,435.40x = 204,715,686,250,654,784
  5. Step 5: Solve for x
    x = 204,715,686,250,654,784/459,968,435.40
  6. Step 6: Final answer
    x = 445,064,640.30

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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.