Home / 1,266,957,971.44-1,901,531,061.32-879,053,206.83

Finding the Fourth Proportional to 1,266,957,971.44, 1,901,531,061.32 and 879,053,206.83

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Solution

The fourth proportional to 1,266,957,971.44, 1,901,531,061.32 and 879,053,206.83 is: 1,319,338,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,957,971.44 : 1,901,531,061.32 = 879,053,206.83 : x
  2. Step 2: Convert to fraction form
    1,266,957,971.44/1,901,531,061.32 = 879,053,206.83/x
  3. Step 3: Cross multiply
    1,266,957,971.44x = 1,901,531,061.32 × 879,053,206.83
  4. Step 4: Simplify right side
    1,266,957,971.44x = 1,671,546,977,328,673,280
  5. Step 5: Solve for x
    x = 1,671,546,977,328,673,280/1,266,957,971.44
  6. Step 6: Final answer
    x = 1,319,338,932.32

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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.