Home / 1,386,436,851,940.10-1,913,285,106,473.40-769,139,585,955.06

Finding the Fourth Proportional to 1,386,436,851,940.10, 1,913,285,106,473.40 and 769,139,585,955.06

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Solution

The fourth proportional to 1,386,436,851,940.10, 1,913,285,106,473.40 and 769,139,585,955.06 is: 1,061,413,877,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,436,851,940.10 : 1,913,285,106,473.40 = 769,139,585,955.06 : x
  2. Step 2: Convert to fraction form
    1,386,436,851,940.10/1,913,285,106,473.40 = 769,139,585,955.06/x
  3. Step 3: Cross multiply
    1,386,436,851,940.10x = 1,913,285,106,473.40 × 769,139,585,955.06
  4. Step 4: Simplify right side
    1,386,436,851,940.10x = 1,471,583,314,606,933,747,433,472
  5. Step 5: Solve for x
    x = 1,471,583,314,606,933,747,433,472/1,386,436,851,940.10
  6. Step 6: Final answer
    x = 1,061,413,877,269.41

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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.