Home / 869,973,919.50-1,200,563,942.04-473,499,751.86

Finding the Fourth Proportional to 869,973,919.50, 1,200,563,942.04 and 473,499,751.86

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Solution

The fourth proportional to 869,973,919.50, 1,200,563,942.04 and 473,499,751.86 is: 653,429,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,973,919.50 : 1,200,563,942.04 = 473,499,751.86 : x
  2. Step 2: Convert to fraction form
    869,973,919.50/1,200,563,942.04 = 473,499,751.86/x
  3. Step 3: Cross multiply
    869,973,919.50x = 1,200,563,942.04 × 473,499,751.86
  4. Step 4: Simplify right side
    869,973,919.50x = 568,466,728,648,003,392
  5. Step 5: Solve for x
    x = 568,466,728,648,003,392/869,973,919.50
  6. Step 6: Final answer
    x = 653,429,621.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.