Home / 65,421,388,117.46-90,281,515,775.88-35,347,872,658.84

Finding the Fourth Proportional to 65,421,388,117.46, 90,281,515,775.88 and 35,347,872,658.84

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Solution

The fourth proportional to 65,421,388,117.46, 90,281,515,775.88 and 35,347,872,658.84 is: 48,780,064,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,117.46 : 90,281,515,775.88 = 35,347,872,658.84 : x
  2. Step 2: Convert to fraction form
    65,421,388,117.46/90,281,515,775.88 = 35,347,872,658.84/x
  3. Step 3: Cross multiply
    65,421,388,117.46x = 90,281,515,775.88 × 35,347,872,658.84
  4. Step 4: Simplify right side
    65,421,388,117.46x = 3,191,259,523,092,860,370,944
  5. Step 5: Solve for x
    x = 3,191,259,523,092,860,370,944/65,421,388,117.46
  6. Step 6: Final answer
    x = 48,780,064,363.10

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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.