Home / 399,178,049.80-598,767,074.70-245,997,070.60

Finding the Fourth Proportional to 399,178,049.80, 598,767,074.70 and 245,997,070.60

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Solution

The fourth proportional to 399,178,049.80, 598,767,074.70 and 245,997,070.60 is: 368,995,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,178,049.80 : 598,767,074.70 = 245,997,070.60 : x
  2. Step 2: Convert to fraction form
    399,178,049.80/598,767,074.70 = 245,997,070.60/x
  3. Step 3: Cross multiply
    399,178,049.80x = 598,767,074.70 × 245,997,070.60
  4. Step 4: Simplify right side
    399,178,049.80x = 147,294,946,347,931,392
  5. Step 5: Solve for x
    x = 147,294,946,347,931,392/399,178,049.80
  6. Step 6: Final answer
    x = 368,995,605.90

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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.