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Finding the Fourth Proportional to 255,528,279.70, 383,292,419.55 and 255,528,279.70

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Solution

The fourth proportional to 255,528,279.70, 383,292,419.55 and 255,528,279.70 is: 383,292,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,528,279.70 : 383,292,419.55 = 255,528,279.70 : x
  2. Step 2: Convert to fraction form
    255,528,279.70/383,292,419.55 = 255,528,279.70/x
  3. Step 3: Cross multiply
    255,528,279.70x = 383,292,419.55 × 255,528,279.70
  4. Step 4: Simplify right side
    255,528,279.70x = 97,942,052,589,662,144
  5. Step 5: Solve for x
    x = 97,942,052,589,662,144/255,528,279.70
  6. Step 6: Final answer
    x = 383,292,419.55

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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.