Home / 384,912,665.20-577,368,997.80-180,461,407.60

Finding the Fourth Proportional to 384,912,665.20, 577,368,997.80 and 180,461,407.60

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Solution

The fourth proportional to 384,912,665.20, 577,368,997.80 and 180,461,407.60 is: 270,692,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,665.20 : 577,368,997.80 = 180,461,407.60 : x
  2. Step 2: Convert to fraction form
    384,912,665.20/577,368,997.80 = 180,461,407.60/x
  3. Step 3: Cross multiply
    384,912,665.20x = 577,368,997.80 × 180,461,407.60
  4. Step 4: Simplify right side
    384,912,665.20x = 104,192,822,047,589,296
  5. Step 5: Solve for x
    x = 104,192,822,047,589,296/384,912,665.20
  6. Step 6: Final answer
    x = 270,692,111.40

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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.