Home / 1,379,306,838,401.60-2,068,960,257,602.40-815,084,856,910.40

Finding the Fourth Proportional to 1,379,306,838,401.60, 2,068,960,257,602.40 and 815,084,856,910.40

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Solution

The fourth proportional to 1,379,306,838,401.60, 2,068,960,257,602.40 and 815,084,856,910.40 is: 1,222,627,285,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,306,838,401.60 : 2,068,960,257,602.40 = 815,084,856,910.40 : x
  2. Step 2: Convert to fraction form
    1,379,306,838,401.60/2,068,960,257,602.40 = 815,084,856,910.40/x
  3. Step 3: Cross multiply
    1,379,306,838,401.60x = 2,068,960,257,602.40 × 815,084,856,910.40
  4. Step 4: Simplify right side
    1,379,306,838,401.60x = 1,686,378,175,521,156,447,076,352
  5. Step 5: Solve for x
    x = 1,686,378,175,521,156,447,076,352/1,379,306,838,401.60
  6. Step 6: Final answer
    x = 1,222,627,285,365.60

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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.