Home / 659,377,985.72-909,943,410.86-362,039,486.84

Finding the Fourth Proportional to 659,377,985.72, 909,943,410.86 and 362,039,486.84

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Solution

The fourth proportional to 659,377,985.72, 909,943,410.86 and 362,039,486.84 is: 499,615,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,377,985.72 : 909,943,410.86 = 362,039,486.84 : x
  2. Step 2: Convert to fraction form
    659,377,985.72/909,943,410.86 = 362,039,486.84/x
  3. Step 3: Cross multiply
    659,377,985.72x = 909,943,410.86 × 362,039,486.84
  4. Step 4: Simplify right side
    659,377,985.72x = 329,435,445,521,193,664
  5. Step 5: Solve for x
    x = 329,435,445,521,193,664/659,377,985.72
  6. Step 6: Final answer
    x = 499,615,474.97

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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.