Home / 1,485,678,672.90-2,223,227,218.95-1,293,698,564.10

Finding the Fourth Proportional to 1,485,678,672.90, 2,223,227,218.95 and 1,293,698,564.10

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Solution

The fourth proportional to 1,485,678,672.90, 2,223,227,218.95 and 1,293,698,564.10 is: 1,935,940,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,678,672.90 : 2,223,227,218.95 = 1,293,698,564.10 : x
  2. Step 2: Convert to fraction form
    1,485,678,672.90/2,223,227,218.95 = 1,293,698,564.10/x
  3. Step 3: Cross multiply
    1,485,678,672.90x = 2,223,227,218.95 × 1,293,698,564.10
  4. Step 4: Simplify right side
    1,485,678,672.90x = 2,876,185,860,823,650,816
  5. Step 5: Solve for x
    x = 2,876,185,860,823,650,816/1,485,678,672.90
  6. Step 6: Final answer
    x = 1,935,940,734.22

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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.