Home / 716,586,449,644.58-988,889,262,685.98-386,989,456,100.06

Finding the Fourth Proportional to 716,586,449,644.58, 988,889,262,685.98 and 386,989,456,100.06

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Solution

The fourth proportional to 716,586,449,644.58, 988,889,262,685.98 and 386,989,456,100.06 is: 534,045,428,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,586,449,644.58 : 988,889,262,685.98 = 386,989,456,100.06 : x
  2. Step 2: Convert to fraction form
    716,586,449,644.58/988,889,262,685.98 = 386,989,456,100.06/x
  3. Step 3: Cross multiply
    716,586,449,644.58x = 988,889,262,685.98 × 386,989,456,100.06
  4. Step 4: Simplify right side
    716,586,449,644.58x = 382,689,717,910,036,748,959,744
  5. Step 5: Solve for x
    x = 382,689,717,910,036,748,959,744/716,586,449,644.58
  6. Step 6: Final answer
    x = 534,045,428,991.64

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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.