Home / 470,491,010.10-705,736,515.15-432,867,611.70

Finding the Fourth Proportional to 470,491,010.10, 705,736,515.15 and 432,867,611.70

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Solution

The fourth proportional to 470,491,010.10, 705,736,515.15 and 432,867,611.70 is: 649,301,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,491,010.10 : 705,736,515.15 = 432,867,611.70 : x
  2. Step 2: Convert to fraction form
    470,491,010.10/705,736,515.15 = 432,867,611.70/x
  3. Step 3: Cross multiply
    470,491,010.10x = 705,736,515.15 × 432,867,611.70
  4. Step 4: Simplify right side
    470,491,010.10x = 305,490,479,802,461,376
  5. Step 5: Solve for x
    x = 305,490,479,802,461,376/470,491,010.10
  6. Step 6: Final answer
    x = 649,301,417.55

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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.