Home / 1,751,435,127.76-2,416,978,914.80-988,639,756.95

Finding the Fourth Proportional to 1,751,435,127.76, 2,416,978,914.80 and 988,639,756.95

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Solution

The fourth proportional to 1,751,435,127.76, 2,416,978,914.80 and 988,639,756.95 is: 1,364,321,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,435,127.76 : 2,416,978,914.80 = 988,639,756.95 : x
  2. Step 2: Convert to fraction form
    1,751,435,127.76/2,416,978,914.80 = 988,639,756.95/x
  3. Step 3: Cross multiply
    1,751,435,127.76x = 2,416,978,914.80 × 988,639,756.95
  4. Step 4: Simplify right side
    1,751,435,127.76x = 2,389,521,446,881,146,880
  5. Step 5: Solve for x
    x = 2,389,521,446,881,146,880/1,751,435,127.76
  6. Step 6: Final answer
    x = 1,364,321,983.16

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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.