Home / 550,490,744.40-825,736,116.60-186,985,100.40

Finding the Fourth Proportional to 550,490,744.40, 825,736,116.60 and 186,985,100.40

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Solution

The fourth proportional to 550,490,744.40, 825,736,116.60 and 186,985,100.40 is: 280,477,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,490,744.40 : 825,736,116.60 = 186,985,100.40 : x
  2. Step 2: Convert to fraction form
    550,490,744.40/825,736,116.60 = 186,985,100.40/x
  3. Step 3: Cross multiply
    550,490,744.40x = 825,736,116.60 × 186,985,100.40
  4. Step 4: Simplify right side
    550,490,744.40x = 154,400,350,666,357,120
  5. Step 5: Solve for x
    x = 154,400,350,666,357,120/550,490,744.40
  6. Step 6: Final answer
    x = 280,477,650.60

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Similar ratio
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1.5x scale

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.