Home / 387,097,847.40-579,974,924.70-250,713,028.20

Finding the Fourth Proportional to 387,097,847.40, 579,974,924.70 and 250,713,028.20

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Solution

The fourth proportional to 387,097,847.40, 579,974,924.70 and 250,713,028.20 is: 375,634,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,097,847.40 : 579,974,924.70 = 250,713,028.20 : x
  2. Step 2: Convert to fraction form
    387,097,847.40/579,974,924.70 = 250,713,028.20/x
  3. Step 3: Cross multiply
    387,097,847.40x = 579,974,924.70 × 250,713,028.20
  4. Step 4: Simplify right side
    387,097,847.40x = 145,407,269,651,603,968
  5. Step 5: Solve for x
    x = 145,407,269,651,603,968/387,097,847.40
  6. Step 6: Final answer
    x = 375,634,405.17

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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.