Home / 528,221,570.40-792,474,073.20-471,109,377.60

Finding the Fourth Proportional to 528,221,570.40, 792,474,073.20 and 471,109,377.60

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Solution

The fourth proportional to 528,221,570.40, 792,474,073.20 and 471,109,377.60 is: 706,790,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,221,570.40 : 792,474,073.20 = 471,109,377.60 : x
  2. Step 2: Convert to fraction form
    528,221,570.40/792,474,073.20 = 471,109,377.60/x
  3. Step 3: Cross multiply
    528,221,570.40x = 792,474,073.20 × 471,109,377.60
  4. Step 4: Simplify right side
    528,221,570.40x = 373,341,967,389,388,864
  5. Step 5: Solve for x
    x = 373,341,967,389,388,864/528,221,570.40
  6. Step 6: Final answer
    x = 706,790,461.26

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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.