Home / 797,017,442.76-1,195,871,453.10-428,122,002.96

Finding the Fourth Proportional to 797,017,442.76, 1,195,871,453.10 and 428,122,002.96

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Solution

The fourth proportional to 797,017,442.76, 1,195,871,453.10 and 428,122,002.96 is: 642,368,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,017,442.76 : 1,195,871,453.10 = 428,122,002.96 : x
  2. Step 2: Convert to fraction form
    797,017,442.76/1,195,871,453.10 = 428,122,002.96/x
  3. Step 3: Cross multiply
    797,017,442.76x = 1,195,871,453.10 × 428,122,002.96
  4. Step 4: Simplify right side
    797,017,442.76x = 511,978,881,783,857,664
  5. Step 5: Solve for x
    x = 511,978,881,783,857,664/797,017,442.76
  6. Step 6: Final answer
    x = 642,368,478.17

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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.