Home / 366,335,998.40-549,503,997.60-258,840,574.40

Finding the Fourth Proportional to 366,335,998.40, 549,503,997.60 and 258,840,574.40

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Solution

The fourth proportional to 366,335,998.40, 549,503,997.60 and 258,840,574.40 is: 388,260,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,335,998.40 : 549,503,997.60 = 258,840,574.40 : x
  2. Step 2: Convert to fraction form
    366,335,998.40/549,503,997.60 = 258,840,574.40/x
  3. Step 3: Cross multiply
    366,335,998.40x = 549,503,997.60 × 258,840,574.40
  4. Step 4: Simplify right side
    366,335,998.40x = 142,233,930,373,880,224
  5. Step 5: Solve for x
    x = 142,233,930,373,880,224/366,335,998.40
  6. Step 6: Final answer
    x = 388,260,861.60

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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.