Home / 403,724,246.40-605,586,369.60-199,650,902.40

Finding the Fourth Proportional to 403,724,246.40, 605,586,369.60 and 199,650,902.40

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Solution

The fourth proportional to 403,724,246.40, 605,586,369.60 and 199,650,902.40 is: 299,476,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,724,246.40 : 605,586,369.60 = 199,650,902.40 : x
  2. Step 2: Convert to fraction form
    403,724,246.40/605,586,369.60 = 199,650,902.40/x
  3. Step 3: Cross multiply
    403,724,246.40x = 605,586,369.60 × 199,650,902.40
  4. Step 4: Simplify right side
    403,724,246.40x = 120,905,865,171,779,936
  5. Step 5: Solve for x
    x = 120,905,865,171,779,936/403,724,246.40
  6. Step 6: Final answer
    x = 299,476,353.60

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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.