Home / 450,650,727.80-622,201,688.27-281,362,978.98

Finding the Fourth Proportional to 450,650,727.80, 622,201,688.27 and 281,362,978.98

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Solution

The fourth proportional to 450,650,727.80, 622,201,688.27 and 281,362,978.98 is: 388,470,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,650,727.80 : 622,201,688.27 = 281,362,978.98 : x
  2. Step 2: Convert to fraction form
    450,650,727.80/622,201,688.27 = 281,362,978.98/x
  3. Step 3: Cross multiply
    450,650,727.80x = 622,201,688.27 × 281,362,978.98
  4. Step 4: Simplify right side
    450,650,727.80x = 175,064,520,536,625,728
  5. Step 5: Solve for x
    x = 175,064,520,536,625,728/450,650,727.80
  6. Step 6: Final answer
    x = 388,470,515.50

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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.