Home / 287,000,846,404.80-430,499,703,627.72-117,019,768,505.28

Finding the Fourth Proportional to 287,000,846,404.80, 430,499,703,627.72 and 117,019,768,505.28

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Solution

The fourth proportional to 287,000,846,404.80, 430,499,703,627.72 and 117,019,768,505.28 is: 175,529,014,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,000,846,404.80 : 430,499,703,627.72 = 117,019,768,505.28 : x
  2. Step 2: Convert to fraction form
    287,000,846,404.80/430,499,703,627.72 = 117,019,768,505.28/x
  3. Step 3: Cross multiply
    287,000,846,404.80x = 430,499,703,627.72 × 117,019,768,505.28
  4. Step 4: Simplify right side
    287,000,846,404.80x = 50,376,975,660,107,438,227,456
  5. Step 5: Solve for x
    x = 50,376,975,660,107,438,227,456/287,000,846,404.80
  6. Step 6: Final answer
    x = 175,529,014,256.12

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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.