Home / 938,003,850.24-1,407,017,740.80-247,905,139.20

Finding the Fourth Proportional to 938,003,850.24, 1,407,017,740.80 and 247,905,139.20

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Solution

The fourth proportional to 938,003,850.24, 1,407,017,740.80 and 247,905,139.20 is: 371,860,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,003,850.24 : 1,407,017,740.80 = 247,905,139.20 : x
  2. Step 2: Convert to fraction form
    938,003,850.24/1,407,017,740.80 = 247,905,139.20/x
  3. Step 3: Cross multiply
    938,003,850.24x = 1,407,017,740.80 × 247,905,139.20
  4. Step 4: Simplify right side
    938,003,850.24x = 348,806,928,889,893,504
  5. Step 5: Solve for x
    x = 348,806,928,889,893,504/938,003,850.24
  6. Step 6: Final answer
    x = 371,860,871.15

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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.