Home / 593,589,920.80-890,384,881.20-438,621,725.20

Finding the Fourth Proportional to 593,589,920.80, 890,384,881.20 and 438,621,725.20

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Solution

The fourth proportional to 593,589,920.80, 890,384,881.20 and 438,621,725.20 is: 657,932,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,589,920.80 : 890,384,881.20 = 438,621,725.20 : x
  2. Step 2: Convert to fraction form
    593,589,920.80/890,384,881.20 = 438,621,725.20/x
  3. Step 3: Cross multiply
    593,589,920.80x = 890,384,881.20 × 438,621,725.20
  4. Step 4: Simplify right side
    593,589,920.80x = 390,542,152,683,941,056
  5. Step 5: Solve for x
    x = 390,542,152,683,941,056/593,589,920.80
  6. Step 6: Final answer
    x = 657,932,587.80

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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.