Home / 1,013,674,719.70-1,520,512,079.55-323,651,725.30

Finding the Fourth Proportional to 1,013,674,719.70, 1,520,512,079.55 and 323,651,725.30

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Solution

The fourth proportional to 1,013,674,719.70, 1,520,512,079.55 and 323,651,725.30 is: 485,477,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,674,719.70 : 1,520,512,079.55 = 323,651,725.30 : x
  2. Step 2: Convert to fraction form
    1,013,674,719.70/1,520,512,079.55 = 323,651,725.30/x
  3. Step 3: Cross multiply
    1,013,674,719.70x = 1,520,512,079.55 × 323,651,725.30
  4. Step 4: Simplify right side
    1,013,674,719.70x = 492,116,357,885,848,320
  5. Step 5: Solve for x
    x = 492,116,357,885,848,320/1,013,674,719.70
  6. Step 6: Final answer
    x = 485,477,587.95

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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.