Home / 381,098,500.54-571,314,810-147,768,457.44

Finding the Fourth Proportional to 381,098,500.54, 571,314,810 and 147,768,457.44

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Solution

The fourth proportional to 381,098,500.54, 571,314,810 and 147,768,457.44 is: 221,523,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,098,500.54 : 571,314,810 = 147,768,457.44 : x
  2. Step 2: Convert to fraction form
    381,098,500.54/571,314,810 = 147,768,457.44/x
  3. Step 3: Cross multiply
    381,098,500.54x = 571,314,810 × 147,768,457.44
  4. Step 4: Simplify right side
    381,098,500.54x = 84,422,308,186,326,688
  5. Step 5: Solve for x
    x = 84,422,308,186,326,688/381,098,500.54
  6. Step 6: Final answer
    x = 221,523,590.53

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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.