Home / 1,274,898,732.96-1,912,904,341.32-446,446,981.92

Finding the Fourth Proportional to 1,274,898,732.96, 1,912,904,341.32 and 446,446,981.92

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Solution

The fourth proportional to 1,274,898,732.96, 1,912,904,341.32 and 446,446,981.92 is: 669,865,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,898,732.96 : 1,912,904,341.32 = 446,446,981.92 : x
  2. Step 2: Convert to fraction form
    1,274,898,732.96/1,912,904,341.32 = 446,446,981.92/x
  3. Step 3: Cross multiply
    1,274,898,732.96x = 1,912,904,341.32 × 446,446,981.92
  4. Step 4: Simplify right side
    1,274,898,732.96x = 854,010,369,883,979,520
  5. Step 5: Solve for x
    x = 854,010,369,883,979,520/1,274,898,732.96
  6. Step 6: Final answer
    x = 669,865,258.95

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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.