Home / 313,659,421.40-470,489,132.10-160,254,493.40

Finding the Fourth Proportional to 313,659,421.40, 470,489,132.10 and 160,254,493.40

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Solution

The fourth proportional to 313,659,421.40, 470,489,132.10 and 160,254,493.40 is: 240,381,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,659,421.40 : 470,489,132.10 = 160,254,493.40 : x
  2. Step 2: Convert to fraction form
    313,659,421.40/470,489,132.10 = 160,254,493.40/x
  3. Step 3: Cross multiply
    313,659,421.40x = 470,489,132.10 × 160,254,493.40
  4. Step 4: Simplify right side
    313,659,421.40x = 75,397,997,514,891,184
  5. Step 5: Solve for x
    x = 75,397,997,514,891,184/313,659,421.40
  6. Step 6: Final answer
    x = 240,381,740.10

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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.