Home / 869,973,927.50-1,200,563,953.08-473,499,759.86

Finding the Fourth Proportional to 869,973,927.50, 1,200,563,953.08 and 473,499,759.86

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Solution

The fourth proportional to 869,973,927.50, 1,200,563,953.08 and 473,499,759.86 is: 653,429,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,973,927.50 : 1,200,563,953.08 = 473,499,759.86 : x
  2. Step 2: Convert to fraction form
    869,973,927.50/1,200,563,953.08 = 473,499,759.86/x
  3. Step 3: Cross multiply
    869,973,927.50x = 1,200,563,953.08 × 473,499,759.86
  4. Step 4: Simplify right side
    869,973,927.50x = 568,466,743,479,952,320
  5. Step 5: Solve for x
    x = 568,466,743,479,952,320/869,973,927.50
  6. Step 6: Final answer
    x = 653,429,632.21

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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.