Home / 1,287,594,283.15-1,776,923,030.06-723,178,627.44

Finding the Fourth Proportional to 1,287,594,283.15, 1,776,923,030.06 and 723,178,627.44

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Solution

The fourth proportional to 1,287,594,283.15, 1,776,923,030.06 and 723,178,627.44 is: 998,010,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,594,283.15 : 1,776,923,030.06 = 723,178,627.44 : x
  2. Step 2: Convert to fraction form
    1,287,594,283.15/1,776,923,030.06 = 723,178,627.44/x
  3. Step 3: Cross multiply
    1,287,594,283.15x = 1,776,923,030.06 × 723,178,627.44
  4. Step 4: Simplify right side
    1,287,594,283.15x = 1,285,032,757,945,316,608
  5. Step 5: Solve for x
    x = 1,285,032,757,945,316,608/1,287,594,283.15
  6. Step 6: Final answer
    x = 998,010,611.54

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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.