Home / 424,984,821.96-637,416,681.60-133,844,369.52

Finding the Fourth Proportional to 424,984,821.96, 637,416,681.60 and 133,844,369.52

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Solution

The fourth proportional to 424,984,821.96, 637,416,681.60 and 133,844,369.52 is: 200,747,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,984,821.96 : 637,416,681.60 = 133,844,369.52 : x
  2. Step 2: Convert to fraction form
    424,984,821.96/637,416,681.60 = 133,844,369.52/x
  3. Step 3: Cross multiply
    424,984,821.96x = 637,416,681.60 × 133,844,369.52
  4. Step 4: Simplify right side
    424,984,821.96x = 85,314,633,870,282,592
  5. Step 5: Solve for x
    x = 85,314,633,870,282,592/424,984,821.96
  6. Step 6: Final answer
    x = 200,747,484.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.