Home / 470,491,005.60-705,736,508.40-432,867,607.20

Finding the Fourth Proportional to 470,491,005.60, 705,736,508.40 and 432,867,607.20

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Solution

The fourth proportional to 470,491,005.60, 705,736,508.40 and 432,867,607.20 is: 649,301,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,491,005.60 : 705,736,508.40 = 432,867,607.20 : x
  2. Step 2: Convert to fraction form
    470,491,005.60/705,736,508.40 = 432,867,607.20/x
  3. Step 3: Cross multiply
    470,491,005.60x = 705,736,508.40 × 432,867,607.20
  4. Step 4: Simplify right side
    470,491,005.60x = 305,490,473,704,790,656
  5. Step 5: Solve for x
    x = 305,490,473,704,790,656/470,491,005.60
  6. Step 6: Final answer
    x = 649,301,410.80

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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.