Home / 1,386,436,851,939.90-1,913,285,106,473-769,139,585,954.80

Finding the Fourth Proportional to 1,386,436,851,939.90, 1,913,285,106,473 and 769,139,585,954.80

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Solution

The fourth proportional to 1,386,436,851,939.90, 1,913,285,106,473 and 769,139,585,954.80 is: 1,061,413,877,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,436,851,939.90 : 1,913,285,106,473 = 769,139,585,954.80 : x
  2. Step 2: Convert to fraction form
    1,386,436,851,939.90/1,913,285,106,473 = 769,139,585,954.80/x
  3. Step 3: Cross multiply
    1,386,436,851,939.90x = 1,913,285,106,473 × 769,139,585,954.80
  4. Step 4: Simplify right side
    1,386,436,851,939.90x = 1,471,583,314,606,128,709,500,928
  5. Step 5: Solve for x
    x = 1,471,583,314,606,128,709,500,928/1,386,436,851,939.90
  6. Step 6: Final answer
    x = 1,061,413,877,268.98

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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.