Home / 416,768,021.80-625,152,032.70-212,924,847.40

Finding the Fourth Proportional to 416,768,021.80, 625,152,032.70 and 212,924,847.40

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Solution

The fourth proportional to 416,768,021.80, 625,152,032.70 and 212,924,847.40 is: 319,387,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,768,021.80 : 625,152,032.70 = 212,924,847.40 : x
  2. Step 2: Convert to fraction form
    416,768,021.80/625,152,032.70 = 212,924,847.40/x
  3. Step 3: Cross multiply
    416,768,021.80x = 625,152,032.70 × 212,924,847.40
  4. Step 4: Simplify right side
    416,768,021.80x = 133,110,401,164,447,328
  5. Step 5: Solve for x
    x = 133,110,401,164,447,328/416,768,021.80
  6. Step 6: Final answer
    x = 319,387,271.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.