Home / 449,285,124.90-620,001,577.76-251,048,248.46

Finding the Fourth Proportional to 449,285,124.90, 620,001,577.76 and 251,048,248.46

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Solution

The fourth proportional to 449,285,124.90, 620,001,577.76 and 251,048,248.46 is: 346,439,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,285,124.90 : 620,001,577.76 = 251,048,248.46 : x
  2. Step 2: Convert to fraction form
    449,285,124.90/620,001,577.76 = 251,048,248.46/x
  3. Step 3: Cross multiply
    449,285,124.90x = 620,001,577.76 × 251,048,248.46
  4. Step 4: Simplify right side
    449,285,124.90x = 155,650,310,139,084,480
  5. Step 5: Solve for x
    x = 155,650,310,139,084,480/449,285,124.90
  6. Step 6: Final answer
    x = 346,439,936.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.