Home / 611,293,286.40-916,939,929.60-305,183,270.40

Finding the Fourth Proportional to 611,293,286.40, 916,939,929.60 and 305,183,270.40

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Solution

The fourth proportional to 611,293,286.40, 916,939,929.60 and 305,183,270.40 is: 457,774,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,293,286.40 : 916,939,929.60 = 305,183,270.40 : x
  2. Step 2: Convert to fraction form
    611,293,286.40/916,939,929.60 = 305,183,270.40/x
  3. Step 3: Cross multiply
    611,293,286.40x = 916,939,929.60 × 305,183,270.40
  4. Step 4: Simplify right side
    611,293,286.40x = 279,834,726,475,673,760
  5. Step 5: Solve for x
    x = 279,834,726,475,673,760/611,293,286.40
  6. Step 6: Final answer
    x = 457,774,905.60

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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.