Home / 587,157,844.80-880,736,767.20-393,666,081.60

Finding the Fourth Proportional to 587,157,844.80, 880,736,767.20 and 393,666,081.60

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Solution

The fourth proportional to 587,157,844.80, 880,736,767.20 and 393,666,081.60 is: 590,499,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,157,844.80 : 880,736,767.20 = 393,666,081.60 : x
  2. Step 2: Convert to fraction form
    587,157,844.80/880,736,767.20 = 393,666,081.60/x
  3. Step 3: Cross multiply
    587,157,844.80x = 880,736,767.20 × 393,666,081.60
  4. Step 4: Simplify right side
    587,157,844.80x = 346,716,192,064,675,456
  5. Step 5: Solve for x
    x = 346,716,192,064,675,456/587,157,844.80
  6. Step 6: Final answer
    x = 590,499,122.40

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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.