Home / 384,914,018.60-577,371,027.90-262,470,012.20

Finding the Fourth Proportional to 384,914,018.60, 577,371,027.90 and 262,470,012.20

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Solution

The fourth proportional to 384,914,018.60, 577,371,027.90 and 262,470,012.20 is: 393,705,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,018.60 : 577,371,027.90 = 262,470,012.20 : x
  2. Step 2: Convert to fraction form
    384,914,018.60/577,371,027.90 = 262,470,012.20/x
  3. Step 3: Cross multiply
    384,914,018.60x = 577,371,027.90 × 262,470,012.20
  4. Step 4: Simplify right side
    384,914,018.60x = 151,542,580,736,839,520
  5. Step 5: Solve for x
    x = 151,542,580,736,839,520/384,914,018.60
  6. Step 6: Final answer
    x = 393,705,018.30

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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.