Home / 15,314,083,052.02-21,133,454,970.05-8,447,324,784.56

Finding the Fourth Proportional to 15,314,083,052.02, 21,133,454,970.05 and 8,447,324,784.56

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Solution

The fourth proportional to 15,314,083,052.02, 21,133,454,970.05 and 8,447,324,784.56 is: 11,657,319,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,083,052.02 : 21,133,454,970.05 = 8,447,324,784.56 : x
  2. Step 2: Convert to fraction form
    15,314,083,052.02/21,133,454,970.05 = 8,447,324,784.56/x
  3. Step 3: Cross multiply
    15,314,083,052.02x = 21,133,454,970.05 × 8,447,324,784.56
  4. Step 4: Simplify right side
    15,314,083,052.02x = 178,521,157,951,886,065,664
  5. Step 5: Solve for x
    x = 178,521,157,951,886,065,664/15,314,083,052.02
  6. Step 6: Final answer
    x = 11,657,319,432.41

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Double scale
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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.