Home / 697,247,998.40-1,045,760,023.20-212,461,054.40

Finding the Fourth Proportional to 697,247,998.40, 1,045,760,023.20 and 212,461,054.40

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Solution

The fourth proportional to 697,247,998.40, 1,045,760,023.20 and 212,461,054.40 is: 318,657,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,247,998.40 : 1,045,760,023.20 = 212,461,054.40 : x
  2. Step 2: Convert to fraction form
    697,247,998.40/1,045,760,023.20 = 212,461,054.40/x
  3. Step 3: Cross multiply
    697,247,998.40x = 1,045,760,023.20 × 212,461,054.40
  4. Step 4: Simplify right side
    697,247,998.40x = 222,183,277,178,440,480
  5. Step 5: Solve for x
    x = 222,183,277,178,440,480/697,247,998.40
  6. Step 6: Final answer
    x = 318,657,461.46

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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.