Home / 252,288,000.20-378,432,000.30-70,534,886.60

Finding the Fourth Proportional to 252,288,000.20, 378,432,000.30 and 70,534,886.60

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Solution

The fourth proportional to 252,288,000.20, 378,432,000.30 and 70,534,886.60 is: 105,802,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,288,000.20 : 378,432,000.30 = 70,534,886.60 : x
  2. Step 2: Convert to fraction form
    252,288,000.20/378,432,000.30 = 70,534,886.60/x
  3. Step 3: Cross multiply
    252,288,000.20x = 378,432,000.30 × 70,534,886.60
  4. Step 4: Simplify right side
    252,288,000.20x = 26,692,658,226,971,664
  5. Step 5: Solve for x
    x = 26,692,658,226,971,664/252,288,000.20
  6. Step 6: Final answer
    x = 105,802,329.90

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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.