Home / 320,047,363.40-441,736,413.44-194,572,897.61

Finding the Fourth Proportional to 320,047,363.40, 441,736,413.44 and 194,572,897.61

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Solution

The fourth proportional to 320,047,363.40, 441,736,413.44 and 194,572,897.61 is: 268,553,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,047,363.40 : 441,736,413.44 = 194,572,897.61 : x
  2. Step 2: Convert to fraction form
    320,047,363.40/441,736,413.44 = 194,572,897.61/x
  3. Step 3: Cross multiply
    320,047,363.40x = 441,736,413.44 × 194,572,897.61
  4. Step 4: Simplify right side
    320,047,363.40x = 85,949,933,939,688,192
  5. Step 5: Solve for x
    x = 85,949,933,939,688,192/320,047,363.40
  6. Step 6: Final answer
    x = 268,553,794.75

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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.