Home / 783,034,445.52-1,175,112,675.29-285,043,919.77

Finding the Fourth Proportional to 783,034,445.52, 1,175,112,675.29 and 285,043,919.77

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Solution

The fourth proportional to 783,034,445.52, 1,175,112,675.29 and 285,043,919.77 is: 427,770,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,034,445.52 : 1,175,112,675.29 = 285,043,919.77 : x
  2. Step 2: Convert to fraction form
    783,034,445.52/1,175,112,675.29 = 285,043,919.77/x
  3. Step 3: Cross multiply
    783,034,445.52x = 1,175,112,675.29 × 285,043,919.77
  4. Step 4: Simplify right side
    783,034,445.52x = 334,958,723,136,072,768
  5. Step 5: Solve for x
    x = 334,958,723,136,072,768/783,034,445.52
  6. Step 6: Final answer
    x = 427,770,100.10

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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.