Home / 65,430,339,878.69-98,175,330,840.90-33,581,378,518.45

Finding the Fourth Proportional to 65,430,339,878.69, 98,175,330,840.90 and 33,581,378,518.45

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Solution

The fourth proportional to 65,430,339,878.69, 98,175,330,840.90 and 33,581,378,518.45 is: 50,387,373,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,430,339,878.69 : 98,175,330,840.90 = 33,581,378,518.45 : x
  2. Step 2: Convert to fraction form
    65,430,339,878.69/98,175,330,840.90 = 33,581,378,518.45/x
  3. Step 3: Cross multiply
    65,430,339,878.69x = 98,175,330,840.90 × 33,581,378,518.45
  4. Step 4: Simplify right side
    65,430,339,878.69x = 3,296,862,946,142,517,198,848
  5. Step 5: Solve for x
    x = 3,296,862,946,142,517,198,848/65,430,339,878.69
  6. Step 6: Final answer
    x = 50,387,373,078.84

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1.5x scale

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.