Home / 65,421,388,105.64-90,281,515,759.55-35,347,872,647.02

Finding the Fourth Proportional to 65,421,388,105.64, 90,281,515,759.55 and 35,347,872,647.02

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Solution

The fourth proportional to 65,421,388,105.64, 90,281,515,759.55 and 35,347,872,647.02 is: 48,780,064,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,105.64 : 90,281,515,759.55 = 35,347,872,647.02 : x
  2. Step 2: Convert to fraction form
    65,421,388,105.64/90,281,515,759.55 = 35,347,872,647.02/x
  3. Step 3: Cross multiply
    65,421,388,105.64x = 90,281,515,759.55 × 35,347,872,647.02
  4. Step 4: Simplify right side
    65,421,388,105.64x = 3,191,259,521,448,612,986,880
  5. Step 5: Solve for x
    x = 3,191,259,521,448,612,986,880/65,421,388,105.64
  6. Step 6: Final answer
    x = 48,780,064,346.77

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1.5x scale

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.