Home / 436,543,777.60-654,815,666.40-298,794,270.40

Finding the Fourth Proportional to 436,543,777.60, 654,815,666.40 and 298,794,270.40

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Solution

The fourth proportional to 436,543,777.60, 654,815,666.40 and 298,794,270.40 is: 448,191,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,543,777.60 : 654,815,666.40 = 298,794,270.40 : x
  2. Step 2: Convert to fraction form
    436,543,777.60/654,815,666.40 = 298,794,270.40/x
  3. Step 3: Cross multiply
    436,543,777.60x = 654,815,666.40 × 298,794,270.40
  4. Step 4: Simplify right side
    436,543,777.60x = 195,655,169,288,477,760
  5. Step 5: Solve for x
    x = 195,655,169,288,477,760/436,543,777.60
  6. Step 6: Final answer
    x = 448,191,405.60

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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.