Home / 2,238,905,515.23-3,089,306,961.32-1,298,892,674.43

Finding the Fourth Proportional to 2,238,905,515.23, 3,089,306,961.32 and 1,298,892,674.43

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Solution

The fourth proportional to 2,238,905,515.23, 3,089,306,961.32 and 1,298,892,674.43 is: 1,792,249,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,905,515.23 : 3,089,306,961.32 = 1,298,892,674.43 : x
  2. Step 2: Convert to fraction form
    2,238,905,515.23/3,089,306,961.32 = 1,298,892,674.43/x
  3. Step 3: Cross multiply
    2,238,905,515.23x = 3,089,306,961.32 × 1,298,892,674.43
  4. Step 4: Simplify right side
    2,238,905,515.23x = 4,012,678,181,117,657,088
  5. Step 5: Solve for x
    x = 4,012,678,181,117,657,088/2,238,905,515.23
  6. Step 6: Final answer
    x = 1,792,249,897.92

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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.