Home / 988,446,232.74-1,364,076,640.02-542,405,694.36

Finding the Fourth Proportional to 988,446,232.74, 1,364,076,640.02 and 542,405,694.36

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Solution

The fourth proportional to 988,446,232.74, 1,364,076,640.02 and 542,405,694.36 is: 748,531,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,446,232.74 : 1,364,076,640.02 = 542,405,694.36 : x
  2. Step 2: Convert to fraction form
    988,446,232.74/1,364,076,640.02 = 542,405,694.36/x
  3. Step 3: Cross multiply
    988,446,232.74x = 1,364,076,640.02 × 542,405,694.36
  4. Step 4: Simplify right side
    988,446,232.74x = 739,882,937,090,303,872
  5. Step 5: Solve for x
    x = 739,882,937,090,303,872/988,446,232.74
  6. Step 6: Final answer
    x = 748,531,293.44

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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.