Home / 419,064,993.28-628,866,533.04-281,046,444.18

Finding the Fourth Proportional to 419,064,993.28, 628,866,533.04 and 281,046,444.18

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Solution

The fourth proportional to 419,064,993.28, 628,866,533.04 and 281,046,444.18 is: 421,750,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,064,993.28 : 628,866,533.04 = 281,046,444.18 : x
  2. Step 2: Convert to fraction form
    419,064,993.28/628,866,533.04 = 281,046,444.18/x
  3. Step 3: Cross multiply
    419,064,993.28x = 628,866,533.04 × 281,046,444.18
  4. Step 4: Simplify right side
    419,064,993.28x = 176,740,702,974,696,480
  5. Step 5: Solve for x
    x = 176,740,702,974,696,480/419,064,993.28
  6. Step 6: Final answer
    x = 421,750,100.36

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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.