Home / 7,200,283,310,678.90-9,936,398,322,563.80-3,908,031,819,032.10

Finding the Fourth Proportional to 7,200,283,310,678.90, 9,936,398,322,563.80 and 3,908,031,819,032.10

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Solution

The fourth proportional to 7,200,283,310,678.90, 9,936,398,322,563.80 and 3,908,031,819,032.10 is: 5,393,087,901,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,283,310,678.90 : 9,936,398,322,563.80 = 3,908,031,819,032.10 : x
  2. Step 2: Convert to fraction form
    7,200,283,310,678.90/9,936,398,322,563.80 = 3,908,031,819,032.10/x
  3. Step 3: Cross multiply
    7,200,283,310,678.90x = 9,936,398,322,563.80 × 3,908,031,819,032.10
  4. Step 4: Simplify right side
    7,200,283,310,678.90x = 38,831,760,811,156,515,032,399,872
  5. Step 5: Solve for x
    x = 38,831,760,811,156,515,032,399,872/7,200,283,310,678.90
  6. Step 6: Final answer
    x = 5,393,087,901,633.57

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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.