Home / 470,783,246.10-706,174,869.15-212,122,382.10

Finding the Fourth Proportional to 470,783,246.10, 706,174,869.15 and 212,122,382.10

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Solution

The fourth proportional to 470,783,246.10, 706,174,869.15 and 212,122,382.10 is: 318,183,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,783,246.10 : 706,174,869.15 = 212,122,382.10 : x
  2. Step 2: Convert to fraction form
    470,783,246.10/706,174,869.15 = 212,122,382.10/x
  3. Step 3: Cross multiply
    470,783,246.10x = 706,174,869.15 × 212,122,382.10
  4. Step 4: Simplify right side
    470,783,246.10x = 149,795,495,423,253,792
  5. Step 5: Solve for x
    x = 149,795,495,423,253,792/470,783,246.10
  6. Step 6: Final answer
    x = 318,183,573.15

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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.