Home / 488,352,295.20-732,528,442.80-422,595,328.80

Finding the Fourth Proportional to 488,352,295.20, 732,528,442.80 and 422,595,328.80

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Solution

The fourth proportional to 488,352,295.20, 732,528,442.80 and 422,595,328.80 is: 633,892,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,352,295.20 : 732,528,442.80 = 422,595,328.80 : x
  2. Step 2: Convert to fraction form
    488,352,295.20/732,528,442.80 = 422,595,328.80/x
  3. Step 3: Cross multiply
    488,352,295.20x = 732,528,442.80 × 422,595,328.80
  4. Step 4: Simplify right side
    488,352,295.20x = 309,563,098,140,417,984
  5. Step 5: Solve for x
    x = 309,563,098,140,417,984/488,352,295.20
  6. Step 6: Final answer
    x = 633,892,993.20

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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.