Home / 988,023,264.08-1,481,889,116.30-288,327,531.16

Finding the Fourth Proportional to 988,023,264.08, 1,481,889,116.30 and 288,327,531.16

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Solution

The fourth proportional to 988,023,264.08, 1,481,889,116.30 and 288,327,531.16 is: 432,448,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,023,264.08 : 1,481,889,116.30 = 288,327,531.16 : x
  2. Step 2: Convert to fraction form
    988,023,264.08/1,481,889,116.30 = 288,327,531.16/x
  3. Step 3: Cross multiply
    988,023,264.08x = 1,481,889,116.30 × 288,327,531.16
  4. Step 4: Simplify right side
    988,023,264.08x = 427,269,430,355,653,120
  5. Step 5: Solve for x
    x = 427,269,430,355,653,120/988,023,264.08
  6. Step 6: Final answer
    x = 432,448,754.89

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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.