Home / 15,739,364,189.32-21,720,269,848.98-8,602,773,867.64

Finding the Fourth Proportional to 15,739,364,189.32, 21,720,269,848.98 and 8,602,773,867.64

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Solution

The fourth proportional to 15,739,364,189.32, 21,720,269,848.98 and 8,602,773,867.64 is: 11,871,799,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,364,189.32 : 21,720,269,848.98 = 8,602,773,867.64 : x
  2. Step 2: Convert to fraction form
    15,739,364,189.32/21,720,269,848.98 = 8,602,773,867.64/x
  3. Step 3: Cross multiply
    15,739,364,189.32x = 21,720,269,848.98 × 8,602,773,867.64
  4. Step 4: Simplify right side
    15,739,364,189.32x = 186,854,569,854,894,145,536
  5. Step 5: Solve for x
    x = 186,854,569,854,894,145,536/15,739,364,189.32
  6. Step 6: Final answer
    x = 11,871,799,115.09

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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.