Home / 1,242,607,968.36-1,863,427,552.70-465,829,789.50

Finding the Fourth Proportional to 1,242,607,968.36, 1,863,427,552.70 and 465,829,789.50

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Solution

The fourth proportional to 1,242,607,968.36, 1,863,427,552.70 and 465,829,789.50 is: 698,563,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,607,968.36 : 1,863,427,552.70 = 465,829,789.50 : x
  2. Step 2: Convert to fraction form
    1,242,607,968.36/1,863,427,552.70 = 465,829,789.50/x
  3. Step 3: Cross multiply
    1,242,607,968.36x = 1,863,427,552.70 × 465,829,789.50
  4. Step 4: Simplify right side
    1,242,607,968.36x = 868,040,064,620,412,032
  5. Step 5: Solve for x
    x = 868,040,064,620,412,032/1,242,607,968.36
  6. Step 6: Final answer
    x = 698,563,092.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.