Home / 21,122,326,813,382-31,683,450,673,780-6,618,442,083,338

Finding the Fourth Proportional to 21,122,326,813,382, 31,683,450,673,780 and 6,618,442,083,338

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Solution

The fourth proportional to 21,122,326,813,382, 31,683,450,673,780 and 6,618,442,083,338 is: 9,927,650,733,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,326,813,382 : 31,683,450,673,780 = 6,618,442,083,338 : x
  2. Step 2: Convert to fraction form
    21,122,326,813,382/31,683,450,673,780 = 6,618,442,083,338/x
  3. Step 3: Cross multiply
    21,122,326,813,382x = 31,683,450,673,780 × 6,618,442,083,338
  4. Step 4: Simplify right side
    21,122,326,813,382x = 209,695,083,284,709,262,728,626,176
  5. Step 5: Solve for x
    x = 209,695,083,284,709,262,728,626,176/21,122,326,813,382
  6. Step 6: Final answer
    x = 9,927,650,733,623.60

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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.