Home / 383,430,003.40-575,145,005.10-322,208,000.20

Finding the Fourth Proportional to 383,430,003.40, 575,145,005.10 and 322,208,000.20

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Solution

The fourth proportional to 383,430,003.40, 575,145,005.10 and 322,208,000.20 is: 483,312,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,430,003.40 : 575,145,005.10 = 322,208,000.20 : x
  2. Step 2: Convert to fraction form
    383,430,003.40/575,145,005.10 = 322,208,000.20/x
  3. Step 3: Cross multiply
    383,430,003.40x = 575,145,005.10 × 322,208,000.20
  4. Step 4: Simplify right side
    383,430,003.40x = 185,316,321,918,289,792
  5. Step 5: Solve for x
    x = 185,316,321,918,289,792/383,430,003.40
  6. Step 6: Final answer
    x = 483,312,000.30

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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.