Home / 854,237,645.57-1,178,857,229.46-501,828,489.65

Finding the Fourth Proportional to 854,237,645.57, 1,178,857,229.46 and 501,828,489.65

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Solution

The fourth proportional to 854,237,645.57, 1,178,857,229.46 and 501,828,489.65 is: 692,528,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,237,645.57 : 1,178,857,229.46 = 501,828,489.65 : x
  2. Step 2: Convert to fraction form
    854,237,645.57/1,178,857,229.46 = 501,828,489.65/x
  3. Step 3: Cross multiply
    854,237,645.57x = 1,178,857,229.46 × 501,828,489.65
  4. Step 4: Simplify right side
    854,237,645.57x = 591,584,142,973,985,664
  5. Step 5: Solve for x
    x = 591,584,142,973,985,664/854,237,645.57
  6. Step 6: Final answer
    x = 692,528,766.49

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