Home / 398,577,022.80-597,865,534.20-334,079,768.40

Finding the Fourth Proportional to 398,577,022.80, 597,865,534.20 and 334,079,768.40

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Solution

The fourth proportional to 398,577,022.80, 597,865,534.20 and 334,079,768.40 is: 501,119,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,577,022.80 : 597,865,534.20 = 334,079,768.40 : x
  2. Step 2: Convert to fraction form
    398,577,022.80/597,865,534.20 = 334,079,768.40/x
  3. Step 3: Cross multiply
    398,577,022.80x = 597,865,534.20 × 334,079,768.40
  4. Step 4: Simplify right side
    398,577,022.80x = 199,734,779,199,878,272
  5. Step 5: Solve for x
    x = 199,734,779,199,878,272/398,577,022.80
  6. Step 6: Final answer
    x = 501,119,652.60

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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.