Home / 647,036,192.70-970,554,289.05-284,239,136.70

Finding the Fourth Proportional to 647,036,192.70, 970,554,289.05 and 284,239,136.70

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Solution

The fourth proportional to 647,036,192.70, 970,554,289.05 and 284,239,136.70 is: 426,358,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,036,192.70 : 970,554,289.05 = 284,239,136.70 : x
  2. Step 2: Convert to fraction form
    647,036,192.70/970,554,289.05 = 284,239,136.70/x
  3. Step 3: Cross multiply
    647,036,192.70x = 970,554,289.05 × 284,239,136.70
  4. Step 4: Simplify right side
    647,036,192.70x = 275,869,513,240,054,240
  5. Step 5: Solve for x
    x = 275,869,513,240,054,240/647,036,192.70
  6. Step 6: Final answer
    x = 426,358,705.05

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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.