Home / 561,869,984,902.52-775,247,683,914.90-317,999,453,671.40

Finding the Fourth Proportional to 561,869,984,902.52, 775,247,683,914.90 and 317,999,453,671.40

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Solution

The fourth proportional to 561,869,984,902.52, 775,247,683,914.90 and 317,999,453,671.40 is: 438,764,031,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869,984,902.52 : 775,247,683,914.90 = 317,999,453,671.40 : x
  2. Step 2: Convert to fraction form
    561,869,984,902.52/775,247,683,914.90 = 317,999,453,671.40/x
  3. Step 3: Cross multiply
    561,869,984,902.52x = 775,247,683,914.90 × 317,999,453,671.40
  4. Step 4: Simplify right side
    561,869,984,902.52x = 246,528,339,944,956,409,937,920
  5. Step 5: Solve for x
    x = 246,528,339,944,956,409,937,920/561,869,984,902.52
  6. Step 6: Final answer
    x = 438,764,031,838.66

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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.