Home / 384,984,007.10-577,476,010.65-298,987,667.90

Finding the Fourth Proportional to 384,984,007.10, 577,476,010.65 and 298,987,667.90

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Solution

The fourth proportional to 384,984,007.10, 577,476,010.65 and 298,987,667.90 is: 448,481,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,984,007.10 : 577,476,010.65 = 298,987,667.90 : x
  2. Step 2: Convert to fraction form
    384,984,007.10/577,476,010.65 = 298,987,667.90/x
  3. Step 3: Cross multiply
    384,984,007.10x = 577,476,010.65 × 298,987,667.90
  4. Step 4: Simplify right side
    384,984,007.10x = 172,658,205,692,439,040
  5. Step 5: Solve for x
    x = 172,658,205,692,439,040/384,984,007.10
  6. Step 6: Final answer
    x = 448,481,501.85

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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.