Home / 697,116,824.40-1,045,714,558.20-212,458,443.60

Finding the Fourth Proportional to 697,116,824.40, 1,045,714,558.20 and 212,458,443.60

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Solution

The fourth proportional to 697,116,824.40, 1,045,714,558.20 and 212,458,443.60 is: 318,699,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,116,824.40 : 1,045,714,558.20 = 212,458,443.60 : x
  2. Step 2: Convert to fraction form
    697,116,824.40/1,045,714,558.20 = 212,458,443.60/x
  3. Step 3: Cross multiply
    697,116,824.40x = 1,045,714,558.20 × 212,458,443.60
  4. Step 4: Simplify right side
    697,116,824.40x = 222,170,887,485,033,632
  5. Step 5: Solve for x
    x = 222,170,887,485,033,632/697,116,824.40
  6. Step 6: Final answer
    x = 318,699,649.34

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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.