Home / 548,986,412.72-823,506,103.74-180,513,207.20

Finding the Fourth Proportional to 548,986,412.72, 823,506,103.74 and 180,513,207.20

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Solution

The fourth proportional to 548,986,412.72, 823,506,103.74 and 180,513,207.20 is: 270,778,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,986,412.72 : 823,506,103.74 = 180,513,207.20 : x
  2. Step 2: Convert to fraction form
    548,986,412.72/823,506,103.74 = 180,513,207.20/x
  3. Step 3: Cross multiply
    548,986,412.72x = 823,506,103.74 × 180,513,207.20
  4. Step 4: Simplify right side
    548,986,412.72x = 148,653,727,934,883,296
  5. Step 5: Solve for x
    x = 148,653,727,934,883,296/548,986,412.72
  6. Step 6: Final answer
    x = 270,778,519.27

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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.