Home / 15,069,602,288-20,795,848,028.80-8,386,597,081.28

Finding the Fourth Proportional to 15,069,602,288, 20,795,848,028.80 and 8,386,597,081.28

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Solution

The fourth proportional to 15,069,602,288, 20,795,848,028.80 and 8,386,597,081.28 is: 11,573,390,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069,602,288 : 20,795,848,028.80 = 8,386,597,081.28 : x
  2. Step 2: Convert to fraction form
    15,069,602,288/20,795,848,028.80 = 8,386,597,081.28/x
  3. Step 3: Cross multiply
    15,069,602,288x = 20,795,848,028.80 × 8,386,597,081.28
  4. Step 4: Simplify right side
    15,069,602,288x = 174,406,398,381,076,512,768
  5. Step 5: Solve for x
    x = 174,406,398,381,076,512,768/15,069,602,288
  6. Step 6: Final answer
    x = 11,573,390,926.18

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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.