Home / 8,961,139,978.80-13,441,709,968.20-7,735,692,145.20

Finding the Fourth Proportional to 8,961,139,978.80, 13,441,709,968.20 and 7,735,692,145.20

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Solution

The fourth proportional to 8,961,139,978.80, 13,441,709,968.20 and 7,735,692,145.20 is: 11,603,538,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961,139,978.80 : 13,441,709,968.20 = 7,735,692,145.20 : x
  2. Step 2: Convert to fraction form
    8,961,139,978.80/13,441,709,968.20 = 7,735,692,145.20/x
  3. Step 3: Cross multiply
    8,961,139,978.80x = 13,441,709,968.20 × 7,735,692,145.20
  4. Step 4: Simplify right side
    8,961,139,978.80x = 103,980,930,219,061,280,768
  5. Step 5: Solve for x
    x = 103,980,930,219,061,280,768/8,961,139,978.80
  6. Step 6: Final answer
    x = 11,603,538,217.80

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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.