Home / 961,868,291.45-1,326,693,810.47-882,738,940.86

Finding the Fourth Proportional to 961,868,291.45, 1,326,693,810.47 and 882,738,940.86

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Solution

The fourth proportional to 961,868,291.45, 1,326,693,810.47 and 882,738,940.86 is: 1,217,551,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,868,291.45 : 1,326,693,810.47 = 882,738,940.86 : x
  2. Step 2: Convert to fraction form
    961,868,291.45/1,326,693,810.47 = 882,738,940.86/x
  3. Step 3: Cross multiply
    961,868,291.45x = 1,326,693,810.47 × 882,738,940.86
  4. Step 4: Simplify right side
    961,868,291.45x = 1,171,124,289,095,391,744
  5. Step 5: Solve for x
    x = 1,171,124,289,095,391,744/961,868,291.45
  6. Step 6: Final answer
    x = 1,217,551,612.33

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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.