Home / 1,386,860,820.44-1,913,867,471.63-760,315,796.29

Finding the Fourth Proportional to 1,386,860,820.44, 1,913,867,471.63 and 760,315,796.29

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Solution

The fourth proportional to 1,386,860,820.44, 1,913,867,471.63 and 760,315,796.29 is: 1,049,235,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,860,820.44 : 1,913,867,471.63 = 760,315,796.29 : x
  2. Step 2: Convert to fraction form
    1,386,860,820.44/1,913,867,471.63 = 760,315,796.29/x
  3. Step 3: Cross multiply
    1,386,860,820.44x = 1,913,867,471.63 × 760,315,796.29
  4. Step 4: Simplify right side
    1,386,860,820.44x = 1,455,143,670,672,521,472
  5. Step 5: Solve for x
    x = 1,455,143,670,672,521,472/1,386,860,820.44
  6. Step 6: Final answer
    x = 1,049,235,546.37

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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.