Home / 247,620,200.40-371,430,300.60-243,793,825.20

Finding the Fourth Proportional to 247,620,200.40, 371,430,300.60 and 243,793,825.20

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Solution

The fourth proportional to 247,620,200.40, 371,430,300.60 and 243,793,825.20 is: 365,690,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,620,200.40 : 371,430,300.60 = 243,793,825.20 : x
  2. Step 2: Convert to fraction form
    247,620,200.40/371,430,300.60 = 243,793,825.20/x
  3. Step 3: Cross multiply
    247,620,200.40x = 371,430,300.60 × 243,793,825.20
  4. Step 4: Simplify right side
    247,620,200.40x = 90,552,413,778,459,856
  5. Step 5: Solve for x
    x = 90,552,413,778,459,856/247,620,200.40
  6. Step 6: Final answer
    x = 365,690,737.80

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1.5x scale

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.