Home / 578,047,892.31-797,706,881.37-313,729,889.40

Finding the Fourth Proportional to 578,047,892.31, 797,706,881.37 and 313,729,889.40

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Solution

The fourth proportional to 578,047,892.31, 797,706,881.37 and 313,729,889.40 is: 432,947,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,892.31 : 797,706,881.37 = 313,729,889.40 : x
  2. Step 2: Convert to fraction form
    578,047,892.31/797,706,881.37 = 313,729,889.40/x
  3. Step 3: Cross multiply
    578,047,892.31x = 797,706,881.37 × 313,729,889.40
  4. Step 4: Simplify right side
    578,047,892.31x = 250,264,491,665,828,992
  5. Step 5: Solve for x
    x = 250,264,491,665,828,992/578,047,892.31
  6. Step 6: Final answer
    x = 432,947,676.13

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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.