Home / 1,404,473,837,390.90-1,938,172,389,767.70-762,905,986,997.28

Finding the Fourth Proportional to 1,404,473,837,390.90, 1,938,172,389,767.70 and 762,905,986,997.28

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Solution

The fourth proportional to 1,404,473,837,390.90, 1,938,172,389,767.70 and 762,905,986,997.28 is: 1,052,809,444,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,473,837,390.90 : 1,938,172,389,767.70 = 762,905,986,997.28 : x
  2. Step 2: Convert to fraction form
    1,404,473,837,390.90/1,938,172,389,767.70 = 762,905,986,997.28/x
  3. Step 3: Cross multiply
    1,404,473,837,390.90x = 1,938,172,389,767.70 × 762,905,986,997.28
  4. Step 4: Simplify right side
    1,404,473,837,390.90x = 1,478,643,319,986,604,130,435,072
  5. Step 5: Solve for x
    x = 1,478,643,319,986,604,130,435,072/1,404,473,837,390.90
  6. Step 6: Final answer
    x = 1,052,809,444,092.95

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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.