Home / 1,488,577,099.83-2,054,198,852.37-819,515,465.25

Finding the Fourth Proportional to 1,488,577,099.83, 2,054,198,852.37 and 819,515,465.25

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Solution

The fourth proportional to 1,488,577,099.83, 2,054,198,852.37 and 819,515,465.25 is: 1,130,910,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,577,099.83 : 2,054,198,852.37 = 819,515,465.25 : x
  2. Step 2: Convert to fraction form
    1,488,577,099.83/2,054,198,852.37 = 819,515,465.25/x
  3. Step 3: Cross multiply
    1,488,577,099.83x = 2,054,198,852.37 × 819,515,465.25
  4. Step 4: Simplify right side
    1,488,577,099.83x = 1,683,447,728,216,016,640
  5. Step 5: Solve for x
    x = 1,683,447,728,216,016,640/1,488,577,099.83
  6. Step 6: Final answer
    x = 1,130,910,671.95

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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.