Home / 1,730,409,408.88-2,595,614,143.30-420,302,633.40

Finding the Fourth Proportional to 1,730,409,408.88, 2,595,614,143.30 and 420,302,633.40

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Solution

The fourth proportional to 1,730,409,408.88, 2,595,614,143.30 and 420,302,633.40 is: 630,453,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,409,408.88 : 2,595,614,143.30 = 420,302,633.40 : x
  2. Step 2: Convert to fraction form
    1,730,409,408.88/2,595,614,143.30 = 420,302,633.40/x
  3. Step 3: Cross multiply
    1,730,409,408.88x = 2,595,614,143.30 × 420,302,633.40
  4. Step 4: Simplify right side
    1,730,409,408.88x = 1,090,943,459,719,275,008
  5. Step 5: Solve for x
    x = 1,090,943,459,719,275,008/1,730,409,408.88
  6. Step 6: Final answer
    x = 630,453,957.38

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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.