Home / 587,159,152.80-880,738,729.20-393,667,389.60

Finding the Fourth Proportional to 587,159,152.80, 880,738,729.20 and 393,667,389.60

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Solution

The fourth proportional to 587,159,152.80, 880,738,729.20 and 393,667,389.60 is: 590,501,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,159,152.80 : 880,738,729.20 = 393,667,389.60 : x
  2. Step 2: Convert to fraction form
    587,159,152.80/880,738,729.20 = 393,667,389.60/x
  3. Step 3: Cross multiply
    587,159,152.80x = 880,738,729.20 × 393,667,389.60
  4. Step 4: Simplify right side
    587,159,152.80x = 346,718,116,443,785,344
  5. Step 5: Solve for x
    x = 346,718,116,443,785,344/587,159,152.80
  6. Step 6: Final answer
    x = 590,501,084.40

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1.5x scale

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.