Home / 558,636,234.40-836,519,460.90-442,888,384.60

Finding the Fourth Proportional to 558,636,234.40, 836,519,460.90 and 442,888,384.60

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Solution

The fourth proportional to 558,636,234.40, 836,519,460.90 and 442,888,384.60 is: 663,194,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,636,234.40 : 836,519,460.90 = 442,888,384.60 : x
  2. Step 2: Convert to fraction form
    558,636,234.40/836,519,460.90 = 442,888,384.60/x
  3. Step 3: Cross multiply
    558,636,234.40x = 836,519,460.90 × 442,888,384.60
  4. Step 4: Simplify right side
    558,636,234.40x = 370,484,752,724,463,872
  5. Step 5: Solve for x
    x = 370,484,752,724,463,872/558,636,234.40
  6. Step 6: Final answer
    x = 663,194,991.50

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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.