Home / 1,199,961,211.50-1,655,934,271.65-664,113,922.04

Finding the Fourth Proportional to 1,199,961,211.50, 1,655,934,271.65 and 664,113,922.04

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Solution

The fourth proportional to 1,199,961,211.50, 1,655,934,271.65 and 664,113,922.04 is: 916,470,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,961,211.50 : 1,655,934,271.65 = 664,113,922.04 : x
  2. Step 2: Convert to fraction form
    1,199,961,211.50/1,655,934,271.65 = 664,113,922.04/x
  3. Step 3: Cross multiply
    1,199,961,211.50x = 1,655,934,271.65 × 664,113,922.04
  4. Step 4: Simplify right side
    1,199,961,211.50x = 1,099,729,003,790,072,192
  5. Step 5: Solve for x
    x = 1,099,729,003,790,072,192/1,199,961,211.50
  6. Step 6: Final answer
    x = 916,470,460.25

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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.