Home / 677,485,174.72-934,584,828.96-442,673,106.88

Finding the Fourth Proportional to 677,485,174.72, 934,584,828.96 and 442,673,106.88

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Solution

The fourth proportional to 677,485,174.72, 934,584,828.96 and 442,673,106.88 is: 610,663,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,485,174.72 : 934,584,828.96 = 442,673,106.88 : x
  2. Step 2: Convert to fraction form
    677,485,174.72/934,584,828.96 = 442,673,106.88/x
  3. Step 3: Cross multiply
    677,485,174.72x = 934,584,828.96 × 442,673,106.88
  4. Step 4: Simplify right side
    677,485,174.72x = 413,715,569,878,636,608
  5. Step 5: Solve for x
    x = 413,715,569,878,636,608/677,485,174.72
  6. Step 6: Final answer
    x = 610,663,650.39

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1.5x scale

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.