Home / 566,617,109,497.93-781,929,712,745.27-309,699,857,919.61

Finding the Fourth Proportional to 566,617,109,497.93, 781,929,712,745.27 and 309,699,857,919.61

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Solution

The fourth proportional to 566,617,109,497.93, 781,929,712,745.27 and 309,699,857,919.61 is: 427,384,766,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,617,109,497.93 : 781,929,712,745.27 = 309,699,857,919.61 : x
  2. Step 2: Convert to fraction form
    566,617,109,497.93/781,929,712,745.27 = 309,699,857,919.61/x
  3. Step 3: Cross multiply
    566,617,109,497.93x = 781,929,712,745.27 × 309,699,857,919.61
  4. Step 4: Simplify right side
    566,617,109,497.93x = 242,163,520,940,331,564,531,712
  5. Step 5: Solve for x
    x = 242,163,520,940,331,564,531,712/566,617,109,497.93
  6. Step 6: Final answer
    x = 427,384,766,328.20

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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.