Home / 1,461,169,516.74-2,191,532,821.72-397,675,237.88

Finding the Fourth Proportional to 1,461,169,516.74, 2,191,532,821.72 and 397,675,237.88

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Solution

The fourth proportional to 1,461,169,516.74, 2,191,532,821.72 and 397,675,237.88 is: 596,452,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,169,516.74 : 2,191,532,821.72 = 397,675,237.88 : x
  2. Step 2: Convert to fraction form
    1,461,169,516.74/2,191,532,821.72 = 397,675,237.88/x
  3. Step 3: Cross multiply
    1,461,169,516.74x = 2,191,532,821.72 × 397,675,237.88
  4. Step 4: Simplify right side
    1,461,169,516.74x = 871,518,336,199,328,512
  5. Step 5: Solve for x
    x = 871,518,336,199,328,512/1,461,169,516.74
  6. Step 6: Final answer
    x = 596,452,585.56

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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.