Home / 986,922,193.36-1,480,371,877.09-239,942,196.59

Finding the Fourth Proportional to 986,922,193.36, 1,480,371,877.09 and 239,942,196.59

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Solution

The fourth proportional to 986,922,193.36, 1,480,371,877.09 and 239,942,196.59 is: 359,910,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,922,193.36 : 1,480,371,877.09 = 239,942,196.59 : x
  2. Step 2: Convert to fraction form
    986,922,193.36/1,480,371,877.09 = 239,942,196.59/x
  3. Step 3: Cross multiply
    986,922,193.36x = 1,480,371,877.09 × 239,942,196.59
  4. Step 4: Simplify right side
    986,922,193.36x = 355,203,679,959,584,768
  5. Step 5: Solve for x
    x = 355,203,679,959,584,768/986,922,193.36
  6. Step 6: Final answer
    x = 359,910,520.15

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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.