Home / 66,977,700,057.88-100,486,154,753.62-21,597,495,548.84

Finding the Fourth Proportional to 66,977,700,057.88, 100,486,154,753.62 and 21,597,495,548.84

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Solution

The fourth proportional to 66,977,700,057.88, 100,486,154,753.62 and 21,597,495,548.84 is: 32,402,565,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977,700,057.88 : 100,486,154,753.62 = 21,597,495,548.84 : x
  2. Step 2: Convert to fraction form
    66,977,700,057.88/100,486,154,753.62 = 21,597,495,548.84/x
  3. Step 3: Cross multiply
    66,977,700,057.88x = 100,486,154,753.62 × 21,597,495,548.84
  4. Step 4: Simplify right side
    66,977,700,057.88x = 2,170,249,280,011,556,093,952
  5. Step 5: Solve for x
    x = 2,170,249,280,011,556,093,952/66,977,700,057.88
  6. Step 6: Final answer
    x = 32,402,565,005.01

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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.