Home / 1,386,274,841.84-2,078,973,244.37-453,382,144.04

Finding the Fourth Proportional to 1,386,274,841.84, 2,078,973,244.37 and 453,382,144.04

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Solution

The fourth proportional to 1,386,274,841.84, 2,078,973,244.37 and 453,382,144.04 is: 679,929,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,274,841.84 : 2,078,973,244.37 = 453,382,144.04 : x
  2. Step 2: Convert to fraction form
    1,386,274,841.84/2,078,973,244.37 = 453,382,144.04/x
  3. Step 3: Cross multiply
    1,386,274,841.84x = 2,078,973,244.37 × 453,382,144.04
  4. Step 4: Simplify right side
    1,386,274,841.84x = 942,569,346,921,603,712
  5. Step 5: Solve for x
    x = 942,569,346,921,603,712/1,386,274,841.84
  6. Step 6: Final answer
    x = 679,929,634.79

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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.