Home / 354,294,641.60-531,441,962.40-250,982,511.20

Finding the Fourth Proportional to 354,294,641.60, 531,441,962.40 and 250,982,511.20

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Solution

The fourth proportional to 354,294,641.60, 531,441,962.40 and 250,982,511.20 is: 376,473,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,641.60 : 531,441,962.40 = 250,982,511.20 : x
  2. Step 2: Convert to fraction form
    354,294,641.60/531,441,962.40 = 250,982,511.20/x
  3. Step 3: Cross multiply
    354,294,641.60x = 531,441,962.40 × 250,982,511.20
  4. Step 4: Simplify right side
    354,294,641.60x = 133,382,638,280,207,968
  5. Step 5: Solve for x
    x = 133,382,638,280,207,968/354,294,641.60
  6. Step 6: Final answer
    x = 376,473,766.80

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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.