Home / 258,584,429.10-387,876,643.65-258,584,429.10

Finding the Fourth Proportional to 258,584,429.10, 387,876,643.65 and 258,584,429.10

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Solution

The fourth proportional to 258,584,429.10, 387,876,643.65 and 258,584,429.10 is: 387,876,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,584,429.10 : 387,876,643.65 = 258,584,429.10 : x
  2. Step 2: Convert to fraction form
    258,584,429.10/387,876,643.65 = 258,584,429.10/x
  3. Step 3: Cross multiply
    258,584,429.10x = 387,876,643.65 × 258,584,429.10
  4. Step 4: Simplify right side
    258,584,429.10x = 100,298,860,459,459,376
  5. Step 5: Solve for x
    x = 100,298,860,459,459,376/258,584,429.10
  6. Step 6: Final answer
    x = 387,876,643.65

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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.