Home / 3,979,745,408-5,492,017,990.88-2,195,674,055.52

Finding the Fourth Proportional to 3,979,745,408, 5,492,017,990.88 and 2,195,674,055.52

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Solution

The fourth proportional to 3,979,745,408, 5,492,017,990.88 and 2,195,674,055.52 is: 3,030,013,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,745,408 : 5,492,017,990.88 = 2,195,674,055.52 : x
  2. Step 2: Convert to fraction form
    3,979,745,408/5,492,017,990.88 = 2,195,674,055.52/x
  3. Step 3: Cross multiply
    3,979,745,408x = 5,492,017,990.88 × 2,195,674,055.52
  4. Step 4: Simplify right side
    3,979,745,408x = 12,058,681,415,024,291,840
  5. Step 5: Solve for x
    x = 12,058,681,415,024,291,840/3,979,745,408
  6. Step 6: Final answer
    x = 3,030,013,274.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.