Home / 880,795,778.24-1,215,533,195.52-484,351,270.40

Finding the Fourth Proportional to 880,795,778.24, 1,215,533,195.52 and 484,351,270.40

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Solution

The fourth proportional to 880,795,778.24, 1,215,533,195.52 and 484,351,270.40 is: 668,424,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,795,778.24 : 1,215,533,195.52 = 484,351,270.40 : x
  2. Step 2: Convert to fraction form
    880,795,778.24/1,215,533,195.52 = 484,351,270.40/x
  3. Step 3: Cross multiply
    880,795,778.24x = 1,215,533,195.52 × 484,351,270.40
  4. Step 4: Simplify right side
    880,795,778.24x = 588,745,047,463,483,520
  5. Step 5: Solve for x
    x = 588,745,047,463,483,520/880,795,778.24
  6. Step 6: Final answer
    x = 668,424,011.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.