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Finding the Fourth Proportional to 1,066,664,404.04, 1,596,808,818.09 and 645,210,324.73

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Solution

The fourth proportional to 1,066,664,404.04, 1,596,808,818.09 and 645,210,324.73 is: 965,887,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,664,404.04 : 1,596,808,818.09 = 645,210,324.73 : x
  2. Step 2: Convert to fraction form
    1,066,664,404.04/1,596,808,818.09 = 645,210,324.73/x
  3. Step 3: Cross multiply
    1,066,664,404.04x = 1,596,808,818.09 × 645,210,324.73
  4. Step 4: Simplify right side
    1,066,664,404.04x = 1,030,277,536,051,576,320
  5. Step 5: Solve for x
    x = 1,030,277,536,051,576,320/1,066,664,404.04
  6. Step 6: Final answer
    x = 965,887,238.90

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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.