Home / 445,926,214.40-668,889,321.60-282,667,539.20

Finding the Fourth Proportional to 445,926,214.40, 668,889,321.60 and 282,667,539.20

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Solution

The fourth proportional to 445,926,214.40, 668,889,321.60 and 282,667,539.20 is: 424,001,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,214.40 : 668,889,321.60 = 282,667,539.20 : x
  2. Step 2: Convert to fraction form
    445,926,214.40/668,889,321.60 = 282,667,539.20/x
  3. Step 3: Cross multiply
    445,926,214.40x = 668,889,321.60 × 282,667,539.20
  4. Step 4: Simplify right side
    445,926,214.40x = 189,073,298,533,829,408
  5. Step 5: Solve for x
    x = 189,073,298,533,829,408/445,926,214.40
  6. Step 6: Final answer
    x = 424,001,308.80

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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.