Home / 790,278,340.78-1,184,958,017-299,029,559.31

Finding the Fourth Proportional to 790,278,340.78, 1,184,958,017 and 299,029,559.31

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Solution

The fourth proportional to 790,278,340.78, 1,184,958,017 and 299,029,559.31 is: 448,370,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,278,340.78 : 1,184,958,017 = 299,029,559.31 : x
  2. Step 2: Convert to fraction form
    790,278,340.78/1,184,958,017 = 299,029,559.31/x
  3. Step 3: Cross multiply
    790,278,340.78x = 1,184,958,017 × 299,029,559.31
  4. Step 4: Simplify right side
    790,278,340.78x = 354,337,473,624,361,472
  5. Step 5: Solve for x
    x = 354,337,473,624,361,472/790,278,340.78
  6. Step 6: Final answer
    x = 448,370,473.21

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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.