Home / 561,869,984,900.02-775,247,683,911.45-317,999,453,668.89

Finding the Fourth Proportional to 561,869,984,900.02, 775,247,683,911.45 and 317,999,453,668.89

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Solution

The fourth proportional to 561,869,984,900.02, 775,247,683,911.45 and 317,999,453,668.89 is: 438,764,031,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,869,984,900.02 : 775,247,683,911.45 = 317,999,453,668.89 : x
  2. Step 2: Convert to fraction form
    561,869,984,900.02/775,247,683,911.45 = 317,999,453,668.89/x
  3. Step 3: Cross multiply
    561,869,984,900.02x = 775,247,683,911.45 × 317,999,453,668.89
  4. Step 4: Simplify right side
    561,869,984,900.02x = 246,528,339,941,913,425,608,704
  5. Step 5: Solve for x
    x = 246,528,339,941,913,425,608,704/561,869,984,900.02
  6. Step 6: Final answer
    x = 438,764,031,835.20

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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.