Home / 714,505,754-1,071,755,631.96-278,110,763.12

Finding the Fourth Proportional to 714,505,754, 1,071,755,631.96 and 278,110,763.12

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Solution

The fourth proportional to 714,505,754, 1,071,755,631.96 and 278,110,763.12 is: 417,164,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,505,754 : 1,071,755,631.96 = 278,110,763.12 : x
  2. Step 2: Convert to fraction form
    714,505,754/1,071,755,631.96 = 278,110,763.12/x
  3. Step 3: Cross multiply
    714,505,754x = 1,071,755,631.96 × 278,110,763.12
  4. Step 4: Simplify right side
    714,505,754x = 298,066,776,682,553,472
  5. Step 5: Solve for x
    x = 298,066,776,682,553,472/714,505,754
  6. Step 6: Final answer
    x = 417,164,977.35

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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.