Home / 1,137,946,165.50-1,570,618,337.58-691,814,731.62

Finding the Fourth Proportional to 1,137,946,165.50, 1,570,618,337.58 and 691,814,731.62

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Solution

The fourth proportional to 1,137,946,165.50, 1,570,618,337.58 and 691,814,731.62 is: 954,857,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,946,165.50 : 1,570,618,337.58 = 691,814,731.62 : x
  2. Step 2: Convert to fraction form
    1,137,946,165.50/1,570,618,337.58 = 691,814,731.62/x
  3. Step 3: Cross multiply
    1,137,946,165.50x = 1,570,618,337.58 × 691,814,731.62
  4. Step 4: Simplify right side
    1,137,946,165.50x = 1,086,576,903,690,358,272
  5. Step 5: Solve for x
    x = 1,086,576,903,690,358,272/1,137,946,165.50
  6. Step 6: Final answer
    x = 954,857,915.63

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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.