Home / 677,856,104.74-1,017,176,440.89-284,347,689.81

Finding the Fourth Proportional to 677,856,104.74, 1,017,176,440.89 and 284,347,689.81

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Solution

The fourth proportional to 677,856,104.74, 1,017,176,440.89 and 284,347,689.81 is: 426,686,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,856,104.74 : 1,017,176,440.89 = 284,347,689.81 : x
  2. Step 2: Convert to fraction form
    677,856,104.74/1,017,176,440.89 = 284,347,689.81/x
  3. Step 3: Cross multiply
    677,856,104.74x = 1,017,176,440.89 × 284,347,689.81
  4. Step 4: Simplify right side
    677,856,104.74x = 289,231,771,091,874,816
  5. Step 5: Solve for x
    x = 289,231,771,091,874,816/677,856,104.74
  6. Step 6: Final answer
    x = 426,686,090.26

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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.