Home / 2,321,139,363.85-3,483,136,482.45-921,878,830.45

Finding the Fourth Proportional to 2,321,139,363.85, 3,483,136,482.45 and 921,878,830.45

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Solution

The fourth proportional to 2,321,139,363.85, 3,483,136,482.45 and 921,878,830.45 is: 1,383,385,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,139,363.85 : 3,483,136,482.45 = 921,878,830.45 : x
  2. Step 2: Convert to fraction form
    2,321,139,363.85/3,483,136,482.45 = 921,878,830.45/x
  3. Step 3: Cross multiply
    2,321,139,363.85x = 3,483,136,482.45 × 921,878,830.45
  4. Step 4: Simplify right side
    2,321,139,363.85x = 3,211,029,786,738,733,056
  5. Step 5: Solve for x
    x = 3,211,029,786,738,733,056/2,321,139,363.85
  6. Step 6: Final answer
    x = 1,383,385,175.72

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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.