Home / 65,771,945,775.88-90,765,352,345.28-35,698,436,517.40

Finding the Fourth Proportional to 65,771,945,775.88, 90,765,352,345.28 and 35,698,436,517.40

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Solution

The fourth proportional to 65,771,945,775.88, 90,765,352,345.28 and 35,698,436,517.40 is: 49,263,878,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,771,945,775.88 : 90,765,352,345.28 = 35,698,436,517.40 : x
  2. Step 2: Convert to fraction form
    65,771,945,775.88/90,765,352,345.28 = 35,698,436,517.40/x
  3. Step 3: Cross multiply
    65,771,945,775.88x = 90,765,352,345.28 × 35,698,436,517.40
  4. Step 4: Simplify right side
    65,771,945,775.88x = 3,240,181,168,677,421,318,144
  5. Step 5: Solve for x
    x = 3,240,181,168,677,421,318,144/65,771,945,775.88
  6. Step 6: Final answer
    x = 49,263,878,853.74

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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.