Home / 1,390,802,730.36-2,086,526,782.16-458,092,106.85

Finding the Fourth Proportional to 1,390,802,730.36, 2,086,526,782.16 and 458,092,106.85

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Solution

The fourth proportional to 1,390,802,730.36, 2,086,526,782.16 and 458,092,106.85 is: 687,244,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,802,730.36 : 2,086,526,782.16 = 458,092,106.85 : x
  2. Step 2: Convert to fraction form
    1,390,802,730.36/2,086,526,782.16 = 458,092,106.85/x
  3. Step 3: Cross multiply
    1,390,802,730.36x = 2,086,526,782.16 × 458,092,106.85
  4. Step 4: Simplify right side
    1,390,802,730.36x = 955,821,449,638,625,536
  5. Step 5: Solve for x
    x = 955,821,449,638,625,536/1,390,802,730.36
  6. Step 6: Final answer
    x = 687,244,444.36

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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.