Home / 384,912,262.40-577,534,281.60-223,492,179.20

Finding the Fourth Proportional to 384,912,262.40, 577,534,281.60 and 223,492,179.20

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Solution

The fourth proportional to 384,912,262.40, 577,534,281.60 and 223,492,179.20 is: 335,334,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,262.40 : 577,534,281.60 = 223,492,179.20 : x
  2. Step 2: Convert to fraction form
    384,912,262.40/577,534,281.60 = 223,492,179.20/x
  3. Step 3: Cross multiply
    384,912,262.40x = 577,534,281.60 × 223,492,179.20
  4. Step 4: Simplify right side
    384,912,262.40x = 129,074,395,157,490,464
  5. Step 5: Solve for x
    x = 129,074,395,157,490,464/384,912,262.40
  6. Step 6: Final answer
    x = 335,334,588.60

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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.