Home / 920,671,259.70-1,381,879,980.24-569,856,142.44

Finding the Fourth Proportional to 920,671,259.70, 1,381,879,980.24 and 569,856,142.44

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Solution

The fourth proportional to 920,671,259.70, 1,381,879,980.24 and 569,856,142.44 is: 855,324,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,671,259.70 : 1,381,879,980.24 = 569,856,142.44 : x
  2. Step 2: Convert to fraction form
    920,671,259.70/1,381,879,980.24 = 569,856,142.44/x
  3. Step 3: Cross multiply
    920,671,259.70x = 1,381,879,980.24 × 569,856,142.44
  4. Step 4: Simplify right side
    920,671,259.70x = 787,472,794,854,629,888
  5. Step 5: Solve for x
    x = 787,472,794,854,629,888/920,671,259.70
  6. Step 6: Final answer
    x = 855,324,619.46

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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.