Home / 797,440,146.40-1,196,695,208.40-279,869,586.40

Finding the Fourth Proportional to 797,440,146.40, 1,196,695,208.40 and 279,869,586.40

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Solution

The fourth proportional to 797,440,146.40, 1,196,695,208.40 and 279,869,586.40 is: 419,992,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,440,146.40 : 1,196,695,208.40 = 279,869,586.40 : x
  2. Step 2: Convert to fraction form
    797,440,146.40/1,196,695,208.40 = 279,869,586.40/x
  3. Step 3: Cross multiply
    797,440,146.40x = 1,196,695,208.40 × 279,869,586.40
  4. Step 4: Simplify right side
    797,440,146.40x = 334,918,593,021,769,792
  5. Step 5: Solve for x
    x = 334,918,593,021,769,792/797,440,146.40
  6. Step 6: Final answer
    x = 419,992,139.26

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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.