Home / 391,154,198,566.54-586,730,565,545.32-122,563,740,625.43

Finding the Fourth Proportional to 391,154,198,566.54, 586,730,565,545.32 and 122,563,740,625.43

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Solution

The fourth proportional to 391,154,198,566.54, 586,730,565,545.32 and 122,563,740,625.43 is: 183,845,381,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,154,198,566.54 : 586,730,565,545.32 = 122,563,740,625.43 : x
  2. Step 2: Convert to fraction form
    391,154,198,566.54/586,730,565,545.32 = 122,563,740,625.43/x
  3. Step 3: Cross multiply
    391,154,198,566.54x = 586,730,565,545.32 × 122,563,740,625.43
  4. Step 4: Simplify right side
    391,154,198,566.54x = 71,911,892,852,508,446,425,088
  5. Step 5: Solve for x
    x = 71,911,892,852,508,446,425,088/391,154,198,566.54
  6. Step 6: Final answer
    x = 183,845,381,478.82

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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.