Home / 453,823,019.10-680,734,528.65-389,252,937.60

Finding the Fourth Proportional to 453,823,019.10, 680,734,528.65 and 389,252,937.60

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Solution

The fourth proportional to 453,823,019.10, 680,734,528.65 and 389,252,937.60 is: 583,879,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,823,019.10 : 680,734,528.65 = 389,252,937.60 : x
  2. Step 2: Convert to fraction form
    453,823,019.10/680,734,528.65 = 389,252,937.60/x
  3. Step 3: Cross multiply
    453,823,019.10x = 680,734,528.65 × 389,252,937.60
  4. Step 4: Simplify right side
    453,823,019.10x = 264,977,915,002,763,872
  5. Step 5: Solve for x
    x = 264,977,915,002,763,872/453,823,019.10
  6. Step 6: Final answer
    x = 583,879,406.40

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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.