Home / 399,178,077.40-598,767,116.10-291,682,653.40

Finding the Fourth Proportional to 399,178,077.40, 598,767,116.10 and 291,682,653.40

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Solution

The fourth proportional to 399,178,077.40, 598,767,116.10 and 291,682,653.40 is: 437,523,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,178,077.40 : 598,767,116.10 = 291,682,653.40 : x
  2. Step 2: Convert to fraction form
    399,178,077.40/598,767,116.10 = 291,682,653.40/x
  3. Step 3: Cross multiply
    399,178,077.40x = 598,767,116.10 × 291,682,653.40
  4. Step 4: Simplify right side
    399,178,077.40x = 174,649,981,192,713,856
  5. Step 5: Solve for x
    x = 174,649,981,192,713,856/399,178,077.40
  6. Step 6: Final answer
    x = 437,523,980.10

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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.