Home / 550,490,748.40-825,736,122.60-186,985,104.40

Finding the Fourth Proportional to 550,490,748.40, 825,736,122.60 and 186,985,104.40

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Solution

The fourth proportional to 550,490,748.40, 825,736,122.60 and 186,985,104.40 is: 280,477,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,490,748.40 : 825,736,122.60 = 186,985,104.40 : x
  2. Step 2: Convert to fraction form
    550,490,748.40/825,736,122.60 = 186,985,104.40/x
  3. Step 3: Cross multiply
    550,490,748.40x = 825,736,122.60 × 186,985,104.40
  4. Step 4: Simplify right side
    550,490,748.40x = 154,400,355,091,212,224
  5. Step 5: Solve for x
    x = 154,400,355,091,212,224/550,490,748.40
  6. Step 6: Final answer
    x = 280,477,656.60

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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.