Home / 443,597,722.80-665,333,598.60-152,478,279.60

Finding the Fourth Proportional to 443,597,722.80, 665,333,598.60 and 152,478,279.60

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Solution

The fourth proportional to 443,597,722.80, 665,333,598.60 and 152,478,279.60 is: 228,695,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,597,722.80 : 665,333,598.60 = 152,478,279.60 : x
  2. Step 2: Convert to fraction form
    443,597,722.80/665,333,598.60 = 152,478,279.60/x
  3. Step 3: Cross multiply
    443,597,722.80x = 665,333,598.60 × 152,478,279.60
  4. Step 4: Simplify right side
    443,597,722.80x = 101,448,922,474,604,976
  5. Step 5: Solve for x
    x = 101,448,922,474,604,976/443,597,722.80
  6. Step 6: Final answer
    x = 228,695,769.30

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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.