Home / 719,448,071.80-1,077,472,147.74-351,235,187.32

Finding the Fourth Proportional to 719,448,071.80, 1,077,472,147.74 and 351,235,187.32

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Solution

The fourth proportional to 719,448,071.80, 1,077,472,147.74 and 351,235,187.32 is: 526,022,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,448,071.80 : 1,077,472,147.74 = 351,235,187.32 : x
  2. Step 2: Convert to fraction form
    719,448,071.80/1,077,472,147.74 = 351,235,187.32/x
  3. Step 3: Cross multiply
    719,448,071.80x = 1,077,472,147.74 × 351,235,187.32
  4. Step 4: Simplify right side
    719,448,071.80x = 378,446,131,643,541,632
  5. Step 5: Solve for x
    x = 378,446,131,643,541,632/719,448,071.80
  6. Step 6: Final answer
    x = 526,022,859.02

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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.