Home / 391,154,198,566.55-586,730,565,545.31-122,563,740,625.43

Finding the Fourth Proportional to 391,154,198,566.55, 586,730,565,545.31 and 122,563,740,625.43

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Solution

The fourth proportional to 391,154,198,566.55, 586,730,565,545.31 and 122,563,740,625.43 is: 183,845,381,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,154,198,566.55 : 586,730,565,545.31 = 122,563,740,625.43 : x
  2. Step 2: Convert to fraction form
    391,154,198,566.55/586,730,565,545.31 = 122,563,740,625.43/x
  3. Step 3: Cross multiply
    391,154,198,566.55x = 586,730,565,545.31 × 122,563,740,625.43
  4. Step 4: Simplify right side
    391,154,198,566.55x = 71,911,892,852,507,230,076,928
  5. Step 5: Solve for x
    x = 71,911,892,852,507,230,076,928/391,154,198,566.55
  6. Step 6: Final answer
    x = 183,845,381,478.81

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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.