Home / 658,864,671.44-909,234,973.24-357,449,967.39

Finding the Fourth Proportional to 658,864,671.44, 909,234,973.24 and 357,449,967.39

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Solution

The fourth proportional to 658,864,671.44, 909,234,973.24 and 357,449,967.39 is: 493,281,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,864,671.44 : 909,234,973.24 = 357,449,967.39 : x
  2. Step 2: Convert to fraction form
    658,864,671.44/909,234,973.24 = 357,449,967.39/x
  3. Step 3: Cross multiply
    658,864,671.44x = 909,234,973.24 × 357,449,967.39
  4. Step 4: Simplify right side
    658,864,671.44x = 325,006,011,536,834,560
  5. Step 5: Solve for x
    x = 325,006,011,536,834,560/658,864,671.44
  6. Step 6: Final answer
    x = 493,281,891.75

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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.