Home / 15,739,364,188.32-21,720,269,847.60-8,602,773,866.64

Finding the Fourth Proportional to 15,739,364,188.32, 21,720,269,847.60 and 8,602,773,866.64

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Solution

The fourth proportional to 15,739,364,188.32, 21,720,269,847.60 and 8,602,773,866.64 is: 11,871,799,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,364,188.32 : 21,720,269,847.60 = 8,602,773,866.64 : x
  2. Step 2: Convert to fraction form
    15,739,364,188.32/21,720,269,847.60 = 8,602,773,866.64/x
  3. Step 3: Cross multiply
    15,739,364,188.32x = 21,720,269,847.60 × 8,602,773,866.64
  4. Step 4: Simplify right side
    15,739,364,188.32x = 186,854,569,821,302,030,336
  5. Step 5: Solve for x
    x = 186,854,569,821,302,030,336/15,739,364,188.32
  6. Step 6: Final answer
    x = 11,871,799,113.71

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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.