Home / 841,487,767.70-1,262,231,632.11-228,071,981.30

Finding the Fourth Proportional to 841,487,767.70, 1,262,231,632.11 and 228,071,981.30

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Solution

The fourth proportional to 841,487,767.70, 1,262,231,632.11 and 228,071,981.30 is: 342,107,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,487,767.70 : 1,262,231,632.11 = 228,071,981.30 : x
  2. Step 2: Convert to fraction form
    841,487,767.70/1,262,231,632.11 = 228,071,981.30/x
  3. Step 3: Cross multiply
    841,487,767.70x = 1,262,231,632.11 × 228,071,981.30
  4. Step 4: Simplify right side
    841,487,767.70x = 287,879,669,194,860,384
  5. Step 5: Solve for x
    x = 287,879,669,194,860,384/841,487,767.70
  6. Step 6: Final answer
    x = 342,107,966.68

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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.