Home / 927,949,249.61-1,391,792,821.71-297,599,397.48

Finding the Fourth Proportional to 927,949,249.61, 1,391,792,821.71 and 297,599,397.48

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Solution

The fourth proportional to 927,949,249.61, 1,391,792,821.71 and 297,599,397.48 is: 446,357,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,949,249.61 : 1,391,792,821.71 = 297,599,397.48 : x
  2. Step 2: Convert to fraction form
    927,949,249.61/1,391,792,821.71 = 297,599,397.48/x
  3. Step 3: Cross multiply
    927,949,249.61x = 1,391,792,821.71 × 297,599,397.48
  4. Step 4: Simplify right side
    927,949,249.61x = 414,196,705,157,885,120
  5. Step 5: Solve for x
    x = 414,196,705,157,885,120/927,949,249.61
  6. Step 6: Final answer
    x = 446,357,066.76

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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.