Home / 988,446,272.34-1,364,076,694.80-542,405,734.02

Finding the Fourth Proportional to 988,446,272.34, 1,364,076,694.80 and 542,405,734.02

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Solution

The fourth proportional to 988,446,272.34, 1,364,076,694.80 and 542,405,734.02 is: 748,531,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,446,272.34 : 1,364,076,694.80 = 542,405,734.02 : x
  2. Step 2: Convert to fraction form
    988,446,272.34/1,364,076,694.80 = 542,405,734.02/x
  3. Step 3: Cross multiply
    988,446,272.34x = 1,364,076,694.80 × 542,405,734.02
  4. Step 4: Simplify right side
    988,446,272.34x = 739,883,020,902,569,472
  5. Step 5: Solve for x
    x = 739,883,020,902,569,472/988,446,272.34
  6. Step 6: Final answer
    x = 748,531,348.25

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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.