Home / 292,428,940,471.68-403,491,507,156.54-168,827,937,938.40

Finding the Fourth Proportional to 292,428,940,471.68, 403,491,507,156.54 and 168,827,937,938.40

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Solution

The fourth proportional to 292,428,940,471.68, 403,491,507,156.54 and 168,827,937,938.40 is: 232,947,665,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,428,940,471.68 : 403,491,507,156.54 = 168,827,937,938.40 : x
  2. Step 2: Convert to fraction form
    292,428,940,471.68/403,491,507,156.54 = 168,827,937,938.40/x
  3. Step 3: Cross multiply
    292,428,940,471.68x = 403,491,507,156.54 × 168,827,937,938.40
  4. Step 4: Simplify right side
    292,428,940,471.68x = 68,120,639,128,895,804,669,952
  5. Step 5: Solve for x
    x = 68,120,639,128,895,804,669,952/292,428,940,471.68
  6. Step 6: Final answer
    x = 232,947,665,915.07

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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.