Home / 404,365,425.10-606,548,137.65-145,620,580.30

Finding the Fourth Proportional to 404,365,425.10, 606,548,137.65 and 145,620,580.30

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Solution

The fourth proportional to 404,365,425.10, 606,548,137.65 and 145,620,580.30 is: 218,430,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,365,425.10 : 606,548,137.65 = 145,620,580.30 : x
  2. Step 2: Convert to fraction form
    404,365,425.10/606,548,137.65 = 145,620,580.30/x
  3. Step 3: Cross multiply
    404,365,425.10x = 606,548,137.65 × 145,620,580.30
  4. Step 4: Simplify right side
    404,365,425.10x = 88,325,891,784,477,280
  5. Step 5: Solve for x
    x = 88,325,891,784,477,280/404,365,425.10
  6. Step 6: Final answer
    x = 218,430,870.45

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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.