Home / 318,309,702.36-477,437,203.32-193,780,012.36

Finding the Fourth Proportional to 318,309,702.36, 477,437,203.32 and 193,780,012.36

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Solution

The fourth proportional to 318,309,702.36, 477,437,203.32 and 193,780,012.36 is: 290,653,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,309,702.36 : 477,437,203.32 = 193,780,012.36 : x
  2. Step 2: Convert to fraction form
    318,309,702.36/477,437,203.32 = 193,780,012.36/x
  3. Step 3: Cross multiply
    318,309,702.36x = 477,437,203.32 × 193,780,012.36
  4. Step 4: Simplify right side
    318,309,702.36x = 92,517,787,160,473,440
  5. Step 5: Solve for x
    x = 92,517,787,160,473,440/318,309,702.36
  6. Step 6: Final answer
    x = 290,653,368.32

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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.