Home / 442,836,807.63-611,114,771.19-239,152,142.17

Finding the Fourth Proportional to 442,836,807.63, 611,114,771.19 and 239,152,142.17

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Solution

The fourth proportional to 442,836,807.63, 611,114,771.19 and 239,152,142.17 is: 330,029,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,836,807.63 : 611,114,771.19 = 239,152,142.17 : x
  2. Step 2: Convert to fraction form
    442,836,807.63/611,114,771.19 = 239,152,142.17/x
  3. Step 3: Cross multiply
    442,836,807.63x = 611,114,771.19 × 239,152,142.17
  4. Step 4: Simplify right side
    442,836,807.63x = 146,149,406,641,817,920
  5. Step 5: Solve for x
    x = 146,149,406,641,817,920/442,836,807.63
  6. Step 6: Final answer
    x = 330,029,943.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.