Home / 384,781,899.48-530,984,790.27-208,566,111.39

Finding the Fourth Proportional to 384,781,899.48, 530,984,790.27 and 208,566,111.39

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Solution

The fourth proportional to 384,781,899.48, 530,984,790.27 and 208,566,111.39 is: 287,813,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,781,899.48 : 530,984,790.27 = 208,566,111.39 : x
  2. Step 2: Convert to fraction form
    384,781,899.48/530,984,790.27 = 208,566,111.39/x
  3. Step 3: Cross multiply
    384,781,899.48x = 530,984,790.27 × 208,566,111.39
  4. Step 4: Simplify right side
    384,781,899.48x = 110,745,432,913,848,592
  5. Step 5: Solve for x
    x = 110,745,432,913,848,592/384,781,899.48
  6. Step 6: Final answer
    x = 287,813,519.98

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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.