Home / 862,676,716.86-1,292,698,200.42-512,232,662.45

Finding the Fourth Proportional to 862,676,716.86, 1,292,698,200.42 and 512,232,662.45

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Solution

The fourth proportional to 862,676,716.86, 1,292,698,200.42 and 512,232,662.45 is: 767,567,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,676,716.86 : 1,292,698,200.42 = 512,232,662.45 : x
  2. Step 2: Convert to fraction form
    862,676,716.86/1,292,698,200.42 = 512,232,662.45/x
  3. Step 3: Cross multiply
    862,676,716.86x = 1,292,698,200.42 × 512,232,662.45
  4. Step 4: Simplify right side
    862,676,716.86x = 662,162,240,948,692,096
  5. Step 5: Solve for x
    x = 662,162,240,948,692,096/862,676,716.86
  6. Step 6: Final answer
    x = 767,567,071.20

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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.