Home / 1,180,898,117.44-1,629,639,339.86-637,739,009.54

Finding the Fourth Proportional to 1,180,898,117.44, 1,629,639,339.86 and 637,739,009.54

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Solution

The fourth proportional to 1,180,898,117.44, 1,629,639,339.86 and 637,739,009.54 is: 880,079,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,898,117.44 : 1,629,639,339.86 = 637,739,009.54 : x
  2. Step 2: Convert to fraction form
    1,180,898,117.44/1,629,639,339.86 = 637,739,009.54/x
  3. Step 3: Cross multiply
    1,180,898,117.44x = 1,629,639,339.86 × 637,739,009.54
  4. Step 4: Simplify right side
    1,180,898,117.44x = 1,039,284,578,509,735,680
  5. Step 5: Solve for x
    x = 1,039,284,578,509,735,680/1,180,898,117.44
  6. Step 6: Final answer
    x = 880,079,799.57

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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.