Home / 689,562,023.40-1,034,846,919.90-485,488,679.40

Finding the Fourth Proportional to 689,562,023.40, 1,034,846,919.90 and 485,488,679.40

Calculator

Solution

The fourth proportional to 689,562,023.40, 1,034,846,919.90 and 485,488,679.40 is: 728,587,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,562,023.40 : 1,034,846,919.90 = 485,488,679.40 : x
  2. Step 2: Convert to fraction form
    689,562,023.40/1,034,846,919.90 = 485,488,679.40/x
  3. Step 3: Cross multiply
    689,562,023.40x = 1,034,846,919.90 × 485,488,679.40
  4. Step 4: Simplify right side
    689,562,023.40x = 502,406,464,523,408,512
  5. Step 5: Solve for x
    x = 502,406,464,523,408,512/689,562,023.40
  6. Step 6: Final answer
    x = 728,587,781.05

Related Problems

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.