Home / 543,982,289.70-750,698,102.04-309,045,841.80

Finding the Fourth Proportional to 543,982,289.70, 750,698,102.04 and 309,045,841.80

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Solution

The fourth proportional to 543,982,289.70, 750,698,102.04 and 309,045,841.80 is: 426,484,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,982,289.70 : 750,698,102.04 = 309,045,841.80 : x
  2. Step 2: Convert to fraction form
    543,982,289.70/750,698,102.04 = 309,045,841.80/x
  3. Step 3: Cross multiply
    543,982,289.70x = 750,698,102.04 × 309,045,841.80
  4. Step 4: Simplify right side
    543,982,289.70x = 232,000,126,882,614,080
  5. Step 5: Solve for x
    x = 232,000,126,882,614,080/543,982,289.70
  6. Step 6: Final answer
    x = 426,484,705.98

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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.