Home / 258,723,112,809.60-388,084,669,214.40-258,723,112,809.60

Finding the Fourth Proportional to 258,723,112,809.60, 388,084,669,214.40 and 258,723,112,809.60

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Solution

The fourth proportional to 258,723,112,809.60, 388,084,669,214.40 and 258,723,112,809.60 is: 388,084,669,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,723,112,809.60 : 388,084,669,214.40 = 258,723,112,809.60 : x
  2. Step 2: Convert to fraction form
    258,723,112,809.60/388,084,669,214.40 = 258,723,112,809.60/x
  3. Step 3: Cross multiply
    258,723,112,809.60x = 388,084,669,214.40 × 258,723,112,809.60
  4. Step 4: Simplify right side
    258,723,112,809.60x = 100,406,473,652,833,521,500,160
  5. Step 5: Solve for x
    x = 100,406,473,652,833,521,500,160/258,723,112,809.60
  6. Step 6: Final answer
    x = 388,084,669,214.40

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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.