Home / 985,628,995.44-1,479,896,885.16-549,781,240.56

Finding the Fourth Proportional to 985,628,995.44, 1,479,896,885.16 and 549,781,240.56

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Solution

The fourth proportional to 985,628,995.44, 1,479,896,885.16 and 549,781,240.56 is: 825,482,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,628,995.44 : 1,479,896,885.16 = 549,781,240.56 : x
  2. Step 2: Convert to fraction form
    985,628,995.44/1,479,896,885.16 = 549,781,240.56/x
  3. Step 3: Cross multiply
    985,628,995.44x = 1,479,896,885.16 × 549,781,240.56
  4. Step 4: Simplify right side
    985,628,995.44x = 813,619,545,424,144,640
  5. Step 5: Solve for x
    x = 813,619,545,424,144,640/985,628,995.44
  6. Step 6: Final answer
    x = 825,482,559.04

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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.