Home / 15,314,083,049.23-21,133,454,966.20-8,447,324,781.77

Finding the Fourth Proportional to 15,314,083,049.23, 21,133,454,966.20 and 8,447,324,781.77

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Solution

The fourth proportional to 15,314,083,049.23, 21,133,454,966.20 and 8,447,324,781.77 is: 11,657,319,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,083,049.23 : 21,133,454,966.20 = 8,447,324,781.77 : x
  2. Step 2: Convert to fraction form
    15,314,083,049.23/21,133,454,966.20 = 8,447,324,781.77/x
  3. Step 3: Cross multiply
    15,314,083,049.23x = 21,133,454,966.20 × 8,447,324,781.77
  4. Step 4: Simplify right side
    15,314,083,049.23x = 178,521,157,860,323,360,768
  5. Step 5: Solve for x
    x = 178,521,157,860,323,360,768/15,314,083,049.23
  6. Step 6: Final answer
    x = 11,657,319,428.56

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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.