Home / 940,609,949.88-1,298,124,371.16-517,298,136.60

Finding the Fourth Proportional to 940,609,949.88, 1,298,124,371.16 and 517,298,136.60

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Solution

The fourth proportional to 940,609,949.88, 1,298,124,371.16 and 517,298,136.60 is: 713,916,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,609,949.88 : 1,298,124,371.16 = 517,298,136.60 : x
  2. Step 2: Convert to fraction form
    940,609,949.88/1,298,124,371.16 = 517,298,136.60/x
  3. Step 3: Cross multiply
    940,609,949.88x = 1,298,124,371.16 × 517,298,136.60
  4. Step 4: Simplify right side
    940,609,949.88x = 671,517,318,276,114,816
  5. Step 5: Solve for x
    x = 671,517,318,276,114,816/940,609,949.88
  6. Step 6: Final answer
    x = 713,916,877.41

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Double scale
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1.5x scale

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.