Home / 28,549,613,811.84-39,399,530,340.48-17,120,043,509.76

Finding the Fourth Proportional to 28,549,613,811.84, 39,399,530,340.48 and 17,120,043,509.76

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Solution

The fourth proportional to 28,549,613,811.84, 39,399,530,340.48 and 17,120,043,509.76 is: 23,626,297,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549,613,811.84 : 39,399,530,340.48 = 17,120,043,509.76 : x
  2. Step 2: Convert to fraction form
    28,549,613,811.84/39,399,530,340.48 = 17,120,043,509.76/x
  3. Step 3: Cross multiply
    28,549,613,811.84x = 39,399,530,340.48 × 17,120,043,509.76
  4. Step 4: Simplify right side
    28,549,613,811.84x = 674,521,673,693,126,852,608
  5. Step 5: Solve for x
    x = 674,521,673,693,126,852,608/28,549,613,811.84
  6. Step 6: Final answer
    x = 23,626,297,649.37

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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.