Home / 561,869,984,902.65-775,247,683,915.09-317,999,453,671.52

Finding the Fourth Proportional to 561,869,984,902.65, 775,247,683,915.09 and 317,999,453,671.52

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Solution

The fourth proportional to 561,869,984,902.65, 775,247,683,915.09 and 317,999,453,671.52 is: 438,764,031,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869,984,902.65 : 775,247,683,915.09 = 317,999,453,671.52 : x
  2. Step 2: Convert to fraction form
    561,869,984,902.65/775,247,683,915.09 = 317,999,453,671.52/x
  3. Step 3: Cross multiply
    561,869,984,902.65x = 775,247,683,915.09 × 317,999,453,671.52
  4. Step 4: Simplify right side
    561,869,984,902.65x = 246,528,339,945,109,854,355,456
  5. Step 5: Solve for x
    x = 246,528,339,945,109,854,355,456/561,869,984,902.65
  6. Step 6: Final answer
    x = 438,764,031,838.83

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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.