Home / 561,869,984,902.15-775,247,683,914.40-317,999,453,671.02

Finding the Fourth Proportional to 561,869,984,902.15, 775,247,683,914.40 and 317,999,453,671.02

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Solution

The fourth proportional to 561,869,984,902.15, 775,247,683,914.40 and 317,999,453,671.02 is: 438,764,031,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869,984,902.15 : 775,247,683,914.40 = 317,999,453,671.02 : x
  2. Step 2: Convert to fraction form
    561,869,984,902.15/775,247,683,914.40 = 317,999,453,671.02/x
  3. Step 3: Cross multiply
    561,869,984,902.15x = 775,247,683,914.40 × 317,999,453,671.02
  4. Step 4: Simplify right side
    561,869,984,902.15x = 246,528,339,944,502,821,126,144
  5. Step 5: Solve for x
    x = 246,528,339,944,502,821,126,144/561,869,984,902.15
  6. Step 6: Final answer
    x = 438,764,031,838.14

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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.