Home / 969,752,894.60-1,455,542,633.10-510,021,000.20

Finding the Fourth Proportional to 969,752,894.60, 1,455,542,633.10 and 510,021,000.20

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Solution

The fourth proportional to 969,752,894.60, 1,455,542,633.10 and 510,021,000.20 is: 765,511,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,752,894.60 : 1,455,542,633.10 = 510,021,000.20 : x
  2. Step 2: Convert to fraction form
    969,752,894.60/1,455,542,633.10 = 510,021,000.20/x
  3. Step 3: Cross multiply
    969,752,894.60x = 1,455,542,633.10 × 510,021,000.20
  4. Step 4: Simplify right side
    969,752,894.60x = 742,357,309,567,403,520
  5. Step 5: Solve for x
    x = 742,357,309,567,403,520/969,752,894.60
  6. Step 6: Final answer
    x = 765,511,826.47

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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.