Home / 384,195,801.42-530,190,093.65-207,983,666.03

Finding the Fourth Proportional to 384,195,801.42, 530,190,093.65 and 207,983,666.03

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Solution

The fourth proportional to 384,195,801.42, 530,190,093.65 and 207,983,666.03 is: 287,017,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,195,801.42 : 530,190,093.65 = 207,983,666.03 : x
  2. Step 2: Convert to fraction form
    384,195,801.42/530,190,093.65 = 207,983,666.03/x
  3. Step 3: Cross multiply
    384,195,801.42x = 530,190,093.65 × 207,983,666.03
  4. Step 4: Simplify right side
    384,195,801.42x = 110,270,879,366,425,152
  5. Step 5: Solve for x
    x = 110,270,879,366,425,152/384,195,801.42
  6. Step 6: Final answer
    x = 287,017,398.31

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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.