Home / 28,692,782,173.55-39,610,374,674.31-17,845,349,821.67

Finding the Fourth Proportional to 28,692,782,173.55, 39,610,374,674.31 and 17,845,349,821.67

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Solution

The fourth proportional to 28,692,782,173.55, 39,610,374,674.31 and 17,845,349,821.67 is: 24,635,498,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692,782,173.55 : 39,610,374,674.31 = 17,845,349,821.67 : x
  2. Step 2: Convert to fraction form
    28,692,782,173.55/39,610,374,674.31 = 17,845,349,821.67/x
  3. Step 3: Cross multiply
    28,692,782,173.55x = 39,610,374,674.31 × 17,845,349,821.67
  4. Step 4: Simplify right side
    28,692,782,173.55x = 706,860,992,630,390,521,856
  5. Step 5: Solve for x
    x = 706,860,992,630,390,521,856/28,692,782,173.55
  6. Step 6: Final answer
    x = 24,635,498,515.10

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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.