Home / 1,789,210,815.60-2,683,816,223.40-479,315,038.80

Finding the Fourth Proportional to 1,789,210,815.60, 2,683,816,223.40 and 479,315,038.80

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Solution

The fourth proportional to 1,789,210,815.60, 2,683,816,223.40 and 479,315,038.80 is: 718,972,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,210,815.60 : 2,683,816,223.40 = 479,315,038.80 : x
  2. Step 2: Convert to fraction form
    1,789,210,815.60/2,683,816,223.40 = 479,315,038.80/x
  3. Step 3: Cross multiply
    1,789,210,815.60x = 2,683,816,223.40 × 479,315,038.80
  4. Step 4: Simplify right side
    1,789,210,815.60x = 1,286,393,477,251,040,512
  5. Step 5: Solve for x
    x = 1,286,393,477,251,040,512/1,789,210,815.60
  6. Step 6: Final answer
    x = 718,972,558.20

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Double scale
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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.