Home / 472,392,499.20-708,588,748.80-300,063,897.60

Finding the Fourth Proportional to 472,392,499.20, 708,588,748.80 and 300,063,897.60

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Solution

The fourth proportional to 472,392,499.20, 708,588,748.80 and 300,063,897.60 is: 450,095,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,499.20 : 708,588,748.80 = 300,063,897.60 : x
  2. Step 2: Convert to fraction form
    472,392,499.20/708,588,748.80 = 300,063,897.60/x
  3. Step 3: Cross multiply
    472,392,499.20x = 708,588,748.80 × 300,063,897.60
  4. Step 4: Simplify right side
    472,392,499.20x = 212,621,901,760,435,328
  5. Step 5: Solve for x
    x = 212,621,901,760,435,328/472,392,499.20
  6. Step 6: Final answer
    x = 450,095,846.40

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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.