Home / 1,227,241,928.46-1,840,869,774.54-409,351,984.14

Finding the Fourth Proportional to 1,227,241,928.46, 1,840,869,774.54 and 409,351,984.14

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Solution

The fourth proportional to 1,227,241,928.46, 1,840,869,774.54 and 409,351,984.14 is: 614,030,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,241,928.46 : 1,840,869,774.54 = 409,351,984.14 : x
  2. Step 2: Convert to fraction form
    1,227,241,928.46/1,840,869,774.54 = 409,351,984.14/x
  3. Step 3: Cross multiply
    1,227,241,928.46x = 1,840,869,774.54 × 409,351,984.14
  4. Step 4: Simplify right side
    1,227,241,928.46x = 753,563,694,751,303,424
  5. Step 5: Solve for x
    x = 753,563,694,751,303,424/1,227,241,928.46
  6. Step 6: Final answer
    x = 614,030,271.68

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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.