Home / 999,177,220.25-1,378,809,937.07-546,967,707.14

Finding the Fourth Proportional to 999,177,220.25, 1,378,809,937.07 and 546,967,707.14

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Solution

The fourth proportional to 999,177,220.25, 1,378,809,937.07 and 546,967,707.14 is: 754,785,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,177,220.25 : 1,378,809,937.07 = 546,967,707.14 : x
  2. Step 2: Convert to fraction form
    999,177,220.25/1,378,809,937.07 = 546,967,707.14/x
  3. Step 3: Cross multiply
    999,177,220.25x = 1,378,809,937.07 × 546,967,707.14
  4. Step 4: Simplify right side
    999,177,220.25x = 754,164,509,863,761,664
  5. Step 5: Solve for x
    x = 754,164,509,863,761,664/999,177,220.25
  6. Step 6: Final answer
    x = 754,785,532.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.