Home / 1,299,092,401.80-1,948,638,602.70-1,260,828,649.80

Finding the Fourth Proportional to 1,299,092,401.80, 1,948,638,602.70 and 1,260,828,649.80

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Solution

The fourth proportional to 1,299,092,401.80, 1,948,638,602.70 and 1,260,828,649.80 is: 1,891,242,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,092,401.80 : 1,948,638,602.70 = 1,260,828,649.80 : x
  2. Step 2: Convert to fraction form
    1,299,092,401.80/1,948,638,602.70 = 1,260,828,649.80/x
  3. Step 3: Cross multiply
    1,299,092,401.80x = 1,948,638,602.70 × 1,260,828,649.80
  4. Step 4: Simplify right side
    1,299,092,401.80x = 2,456,899,378,390,399,488
  5. Step 5: Solve for x
    x = 2,456,899,378,390,399,488/1,299,092,401.80
  6. Step 6: Final answer
    x = 1,891,242,974.70

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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.