Home / 15,739,364,190.32-21,720,269,850.36-8,602,773,868.64

Finding the Fourth Proportional to 15,739,364,190.32, 21,720,269,850.36 and 8,602,773,868.64

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Solution

The fourth proportional to 15,739,364,190.32, 21,720,269,850.36 and 8,602,773,868.64 is: 11,871,799,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,364,190.32 : 21,720,269,850.36 = 8,602,773,868.64 : x
  2. Step 2: Convert to fraction form
    15,739,364,190.32/21,720,269,850.36 = 8,602,773,868.64/x
  3. Step 3: Cross multiply
    15,739,364,190.32x = 21,720,269,850.36 × 8,602,773,868.64
  4. Step 4: Simplify right side
    15,739,364,190.32x = 186,854,569,888,486,227,968
  5. Step 5: Solve for x
    x = 186,854,569,888,486,227,968/15,739,364,190.32
  6. Step 6: Final answer
    x = 11,871,799,116.47

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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.