Home / 550,596,660.15-825,894,990.23-317,825,502.15

Finding the Fourth Proportional to 550,596,660.15, 825,894,990.23 and 317,825,502.15

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Solution

The fourth proportional to 550,596,660.15, 825,894,990.23 and 317,825,502.15 is: 476,738,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,596,660.15 : 825,894,990.23 = 317,825,502.15 : x
  2. Step 2: Convert to fraction form
    550,596,660.15/825,894,990.23 = 317,825,502.15/x
  3. Step 3: Cross multiply
    550,596,660.15x = 825,894,990.23 × 317,825,502.15
  4. Step 4: Simplify right side
    550,596,660.15x = 262,490,489,991,429,952
  5. Step 5: Solve for x
    x = 262,490,489,991,429,952/550,596,660.15
  6. Step 6: Final answer
    x = 476,738,253.23

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Double scale
Find fourth proportional to 550,596,661.15, 825,894,991.73 and 317,825,503.15
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.