Home / 1,535,476,339-2,118,950,968.26-830,626,584.58

Finding the Fourth Proportional to 1,535,476,339, 2,118,950,968.26 and 830,626,584.58

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Solution

The fourth proportional to 1,535,476,339, 2,118,950,968.26 and 830,626,584.58 is: 1,146,261,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,476,339 : 2,118,950,968.26 = 830,626,584.58 : x
  2. Step 2: Convert to fraction form
    1,535,476,339/2,118,950,968.26 = 830,626,584.58/x
  3. Step 3: Cross multiply
    1,535,476,339x = 2,118,950,968.26 × 830,626,584.58
  4. Step 4: Simplify right side
    1,535,476,339x = 1,760,057,005,658,287,872
  5. Step 5: Solve for x
    x = 1,760,057,005,658,287,872/1,535,476,339
  6. Step 6: Final answer
    x = 1,146,261,235.65

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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.