Home / 30,556,290,879.72-42,167,683,441.45-17,007,637,277.63

Finding the Fourth Proportional to 30,556,290,879.72, 42,167,683,441.45 and 17,007,637,277.63

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Solution

The fourth proportional to 30,556,290,879.72, 42,167,683,441.45 and 17,007,637,277.63 is: 23,470,540,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,290,879.72 : 42,167,683,441.45 = 17,007,637,277.63 : x
  2. Step 2: Convert to fraction form
    30,556,290,879.72/42,167,683,441.45 = 17,007,637,277.63/x
  3. Step 3: Cross multiply
    30,556,290,879.72x = 42,167,683,441.45 × 17,007,637,277.63
  4. Step 4: Simplify right side
    30,556,290,879.72x = 717,172,664,810,106,257,408
  5. Step 5: Solve for x
    x = 717,172,664,810,106,257,408/30,556,290,879.72
  6. Step 6: Final answer
    x = 23,470,540,571.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.