Home / 920,670,937.48-1,381,879,497.44-569,855,820.60

Finding the Fourth Proportional to 920,670,937.48, 1,381,879,497.44 and 569,855,820.60

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Solution

The fourth proportional to 920,670,937.48, 1,381,879,497.44 and 569,855,820.60 is: 855,324,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,670,937.48 : 1,381,879,497.44 = 569,855,820.60 : x
  2. Step 2: Convert to fraction form
    920,670,937.48/1,381,879,497.44 = 569,855,820.60/x
  3. Step 3: Cross multiply
    920,670,937.48x = 1,381,879,497.44 × 569,855,820.60
  4. Step 4: Simplify right side
    920,670,937.48x = 787,472,074,983,986,816
  5. Step 5: Solve for x
    x = 787,472,074,983,986,816/920,670,937.48
  6. Step 6: Final answer
    x = 855,324,136.92

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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.