Home / 1,384,424,858.46-1,910,506,397.87-757,893,286.40

Finding the Fourth Proportional to 1,384,424,858.46, 1,910,506,397.87 and 757,893,286.40

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Solution

The fourth proportional to 1,384,424,858.46, 1,910,506,397.87 and 757,893,286.40 is: 1,045,892,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,424,858.46 : 1,910,506,397.87 = 757,893,286.40 : x
  2. Step 2: Convert to fraction form
    1,384,424,858.46/1,910,506,397.87 = 757,893,286.40/x
  3. Step 3: Cross multiply
    1,384,424,858.46x = 1,910,506,397.87 × 757,893,286.40
  4. Step 4: Simplify right side
    1,384,424,858.46x = 1,447,959,972,576,591,360
  5. Step 5: Solve for x
    x = 1,447,959,972,576,591,360/1,384,424,858.46
  6. Step 6: Final answer
    x = 1,045,892,786.26

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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.