Home / 13,987,427,647.08-19,302,903,802.98-7,644,063,890.28

Finding the Fourth Proportional to 13,987,427,647.08, 19,302,903,802.98 and 7,644,063,890.28

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Solution

The fourth proportional to 13,987,427,647.08, 19,302,903,802.98 and 7,644,063,890.28 is: 10,548,946,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987,427,647.08 : 19,302,903,802.98 = 7,644,063,890.28 : x
  2. Step 2: Convert to fraction form
    13,987,427,647.08/19,302,903,802.98 = 7,644,063,890.28/x
  3. Step 3: Cross multiply
    13,987,427,647.08x = 19,302,903,802.98 × 7,644,063,890.28
  4. Step 4: Simplify right side
    13,987,427,647.08x = 147,552,629,937,907,892,224
  5. Step 5: Solve for x
    x = 147,552,629,937,907,892,224/13,987,427,647.08
  6. Step 6: Final answer
    x = 10,548,946,787.13

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1.5x scale

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.