Home / 9,938,099,838.80-14,889,009,905.40-8,087,834,853.20

Finding the Fourth Proportional to 9,938,099,838.80, 14,889,009,905.40 and 8,087,834,853.20

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Solution

The fourth proportional to 9,938,099,838.80, 14,889,009,905.40 and 8,087,834,853.20 is: 12,116,989,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938,099,838.80 : 14,889,009,905.40 = 8,087,834,853.20 : x
  2. Step 2: Convert to fraction form
    9,938,099,838.80/14,889,009,905.40 = 8,087,834,853.20/x
  3. Step 3: Cross multiply
    9,938,099,838.80x = 14,889,009,905.40 × 8,087,834,853.20
  4. Step 4: Simplify right side
    9,938,099,838.80x = 120,419,853,242,534,150,144
  5. Step 5: Solve for x
    x = 120,419,853,242,534,150,144/9,938,099,838.80
  6. Step 6: Final answer
    x = 12,116,989,685.73

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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.