Home / 979,497,172.32-1,351,801,574.64-731,548,059.36

Finding the Fourth Proportional to 979,497,172.32, 1,351,801,574.64 and 731,548,059.36

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Solution

The fourth proportional to 979,497,172.32, 1,351,801,574.64 and 731,548,059.36 is: 1,009,607,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,497,172.32 : 1,351,801,574.64 = 731,548,059.36 : x
  2. Step 2: Convert to fraction form
    979,497,172.32/1,351,801,574.64 = 731,548,059.36/x
  3. Step 3: Cross multiply
    979,497,172.32x = 1,351,801,574.64 × 731,548,059.36
  4. Step 4: Simplify right side
    979,497,172.32x = 988,907,818,567,684,224
  5. Step 5: Solve for x
    x = 988,907,818,567,684,224/979,497,172.32
  6. Step 6: Final answer
    x = 1,009,607,629.83

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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.