Home / 697,247,999.90-1,045,760,025.45-212,461,055.90

Finding the Fourth Proportional to 697,247,999.90, 1,045,760,025.45 and 212,461,055.90

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Solution

The fourth proportional to 697,247,999.90, 1,045,760,025.45 and 212,461,055.90 is: 318,657,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,247,999.90 : 1,045,760,025.45 = 212,461,055.90 : x
  2. Step 2: Convert to fraction form
    697,247,999.90/1,045,760,025.45 = 212,461,055.90/x
  3. Step 3: Cross multiply
    697,247,999.90x = 1,045,760,025.45 × 212,461,055.90
  4. Step 4: Simplify right side
    697,247,999.90x = 222,183,279,225,117,888
  5. Step 5: Solve for x
    x = 222,183,279,225,117,888/697,247,999.90
  6. Step 6: Final answer
    x = 318,657,463.71

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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.