Home / 561,869,984,903.40-775,247,683,916.10-317,999,453,672.28

Finding the Fourth Proportional to 561,869,984,903.40, 775,247,683,916.10 and 317,999,453,672.28

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Solution

The fourth proportional to 561,869,984,903.40, 775,247,683,916.10 and 317,999,453,672.28 is: 438,764,031,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869,984,903.40 : 775,247,683,916.10 = 317,999,453,672.28 : x
  2. Step 2: Convert to fraction form
    561,869,984,903.40/775,247,683,916.10 = 317,999,453,672.28/x
  3. Step 3: Cross multiply
    561,869,984,903.40x = 775,247,683,916.10 × 317,999,453,672.28
  4. Step 4: Simplify right side
    561,869,984,903.40x = 246,528,339,946,020,219,650,048
  5. Step 5: Solve for x
    x = 246,528,339,946,020,219,650,048/561,869,984,903.40
  6. Step 6: Final answer
    x = 438,764,031,839.87

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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.