Home / 550,490,711.40-825,736,067.10-186,985,067.40

Finding the Fourth Proportional to 550,490,711.40, 825,736,067.10 and 186,985,067.40

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Solution

The fourth proportional to 550,490,711.40, 825,736,067.10 and 186,985,067.40 is: 280,477,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,490,711.40 : 825,736,067.10 = 186,985,067.40 : x
  2. Step 2: Convert to fraction form
    550,490,711.40/825,736,067.10 = 186,985,067.40/x
  3. Step 3: Cross multiply
    550,490,711.40x = 825,736,067.10 × 186,985,067.40
  4. Step 4: Simplify right side
    550,490,711.40x = 154,400,314,161,304,416
  5. Step 5: Solve for x
    x = 154,400,314,161,304,416/550,490,711.40
  6. Step 6: Final answer
    x = 280,477,601.10

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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.