Home / 352,267,643.60-528,401,465.40-214,518,136.40

Finding the Fourth Proportional to 352,267,643.60, 528,401,465.40 and 214,518,136.40

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Solution

The fourth proportional to 352,267,643.60, 528,401,465.40 and 214,518,136.40 is: 321,777,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,267,643.60 : 528,401,465.40 = 214,518,136.40 : x
  2. Step 2: Convert to fraction form
    352,267,643.60/528,401,465.40 = 214,518,136.40/x
  3. Step 3: Cross multiply
    352,267,643.60x = 528,401,465.40 × 214,518,136.40
  4. Step 4: Simplify right side
    352,267,643.60x = 113,351,697,628,637,072
  5. Step 5: Solve for x
    x = 113,351,697,628,637,072/352,267,643.60
  6. Step 6: Final answer
    x = 321,777,204.60

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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.