Home / 548,986,690.86-823,506,521.01-180,513,485.58

Finding the Fourth Proportional to 548,986,690.86, 823,506,521.01 and 180,513,485.58

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Solution

The fourth proportional to 548,986,690.86, 823,506,521.01 and 180,513,485.58 is: 270,778,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,986,690.86 : 823,506,521.01 = 180,513,485.58 : x
  2. Step 2: Convert to fraction form
    548,986,690.86/823,506,521.01 = 180,513,485.58/x
  3. Step 3: Cross multiply
    548,986,690.86x = 823,506,521.01 × 180,513,485.58
  4. Step 4: Simplify right side
    548,986,690.86x = 148,654,032,505,374,624
  5. Step 5: Solve for x
    x = 148,654,032,505,374,624/548,986,690.86
  6. Step 6: Final answer
    x = 270,778,936.87

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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.