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Finding the Fourth Proportional to 3,648,803,665.65, 5,472,652,489.69 and 993,066,694.86

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Solution

The fourth proportional to 3,648,803,665.65, 5,472,652,489.69 and 993,066,694.86 is: 1,489,449,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,803,665.65 : 5,472,652,489.69 = 993,066,694.86 : x
  2. Step 2: Convert to fraction form
    3,648,803,665.65/5,472,652,489.69 = 993,066,694.86/x
  3. Step 3: Cross multiply
    3,648,803,665.65x = 5,472,652,489.69 × 993,066,694.86
  4. Step 4: Simplify right side
    3,648,803,665.65x = 5,434,708,920,076,804,096
  5. Step 5: Solve for x
    x = 5,434,708,920,076,804,096/3,648,803,665.65
  6. Step 6: Final answer
    x = 1,489,449,534.17

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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.