Home / 28,587,349,571.59-42,879,472,544.50-8,688,685,561.49

Finding the Fourth Proportional to 28,587,349,571.59, 42,879,472,544.50 and 8,688,685,561.49

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Solution

The fourth proportional to 28,587,349,571.59, 42,879,472,544.50 and 8,688,685,561.49 is: 13,032,556,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587,349,571.59 : 42,879,472,544.50 = 8,688,685,561.49 : x
  2. Step 2: Convert to fraction form
    28,587,349,571.59/42,879,472,544.50 = 8,688,685,561.49/x
  3. Step 3: Cross multiply
    28,587,349,571.59x = 42,879,472,544.50 × 8,688,685,561.49
  4. Step 4: Simplify right side
    28,587,349,571.59x = 372,566,253,981,570,760,704
  5. Step 5: Solve for x
    x = 372,566,253,981,570,760,704/28,587,349,571.59
  6. Step 6: Final answer
    x = 13,032,556,692.55

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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.