Home / 644,364,279.20-966,546,418.80-235,367,285.60

Finding the Fourth Proportional to 644,364,279.20, 966,546,418.80 and 235,367,285.60

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Solution

The fourth proportional to 644,364,279.20, 966,546,418.80 and 235,367,285.60 is: 353,050,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,364,279.20 : 966,546,418.80 = 235,367,285.60 : x
  2. Step 2: Convert to fraction form
    644,364,279.20/966,546,418.80 = 235,367,285.60/x
  3. Step 3: Cross multiply
    644,364,279.20x = 966,546,418.80 × 235,367,285.60
  4. Step 4: Simplify right side
    644,364,279.20x = 227,493,406,999,356,800
  5. Step 5: Solve for x
    x = 227,493,406,999,356,800/644,364,279.20
  6. Step 6: Final answer
    x = 353,050,928.40

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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.