Home / 664,200,143.40-996,300,215.10-470,330,466.60

Finding the Fourth Proportional to 664,200,143.40, 996,300,215.10 and 470,330,466.60

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Solution

The fourth proportional to 664,200,143.40, 996,300,215.10 and 470,330,466.60 is: 705,495,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,200,143.40 : 996,300,215.10 = 470,330,466.60 : x
  2. Step 2: Convert to fraction form
    664,200,143.40/996,300,215.10 = 470,330,466.60/x
  3. Step 3: Cross multiply
    664,200,143.40x = 996,300,215.10 × 470,330,466.60
  4. Step 4: Simplify right side
    664,200,143.40x = 468,590,345,041,663,424
  5. Step 5: Solve for x
    x = 468,590,345,041,663,424/664,200,143.40
  6. Step 6: Final answer
    x = 705,495,699.90

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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.