Home / 1,386,436,851,937.40-1,913,285,106,469.50-769,139,585,952.30

Finding the Fourth Proportional to 1,386,436,851,937.40, 1,913,285,106,469.50 and 769,139,585,952.30

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Solution

The fourth proportional to 1,386,436,851,937.40, 1,913,285,106,469.50 and 769,139,585,952.30 is: 1,061,413,877,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,436,851,937.40 : 1,913,285,106,469.50 = 769,139,585,952.30 : x
  2. Step 2: Convert to fraction form
    1,386,436,851,937.40/1,913,285,106,469.50 = 769,139,585,952.30/x
  3. Step 3: Cross multiply
    1,386,436,851,937.40x = 1,913,285,106,469.50 × 769,139,585,952.30
  4. Step 4: Simplify right side
    1,386,436,851,937.40x = 1,471,583,314,598,653,587,357,696
  5. Step 5: Solve for x
    x = 1,471,583,314,598,653,587,357,696/1,386,436,851,937.40
  6. Step 6: Final answer
    x = 1,061,413,877,265.50

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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.