Home / 259,920,444.40-389,880,666.60-202,099,663.60

Finding the Fourth Proportional to 259,920,444.40, 389,880,666.60 and 202,099,663.60

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Solution

The fourth proportional to 259,920,444.40, 389,880,666.60 and 202,099,663.60 is: 303,149,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,920,444.40 : 389,880,666.60 = 202,099,663.60 : x
  2. Step 2: Convert to fraction form
    259,920,444.40/389,880,666.60 = 202,099,663.60/x
  3. Step 3: Cross multiply
    259,920,444.40x = 389,880,666.60 × 202,099,663.60
  4. Step 4: Simplify right side
    259,920,444.40x = 78,794,751,564,003,760
  5. Step 5: Solve for x
    x = 78,794,751,564,003,760/259,920,444.40
  6. Step 6: Final answer
    x = 303,149,495.40

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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.