Home / 1,239,557,010.50-1,859,580,667.52-354,250,312.58

Finding the Fourth Proportional to 1,239,557,010.50, 1,859,580,667.52 and 354,250,312.58

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Solution

The fourth proportional to 1,239,557,010.50, 1,859,580,667.52 and 354,250,312.58 is: 531,445,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,557,010.50 : 1,859,580,667.52 = 354,250,312.58 : x
  2. Step 2: Convert to fraction form
    1,239,557,010.50/1,859,580,667.52 = 354,250,312.58/x
  3. Step 3: Cross multiply
    1,239,557,010.50x = 1,859,580,667.52 × 354,250,312.58
  4. Step 4: Simplify right side
    1,239,557,010.50x = 658,757,032,740,908,928
  5. Step 5: Solve for x
    x = 658,757,032,740,908,928/1,239,557,010.50
  6. Step 6: Final answer
    x = 531,445,530.27

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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.