Home / 2,978,634,171.20-4,467,951,256.80-2,657,218,654.40

Finding the Fourth Proportional to 2,978,634,171.20, 4,467,951,256.80 and 2,657,218,654.40

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Solution

The fourth proportional to 2,978,634,171.20, 4,467,951,256.80 and 2,657,218,654.40 is: 3,985,827,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,634,171.20 : 4,467,951,256.80 = 2,657,218,654.40 : x
  2. Step 2: Convert to fraction form
    2,978,634,171.20/4,467,951,256.80 = 2,657,218,654.40/x
  3. Step 3: Cross multiply
    2,978,634,171.20x = 4,467,951,256.80 × 2,657,218,654.40
  4. Step 4: Simplify right side
    2,978,634,171.20x = 11,872,323,426,518,886,400
  5. Step 5: Solve for x
    x = 11,872,323,426,518,886,400/2,978,634,171.20
  6. Step 6: Final answer
    x = 3,985,827,981.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.