Home / 592,456,457.76-818,139,487.60-443,519,009.43

Finding the Fourth Proportional to 592,456,457.76, 818,139,487.60 and 443,519,009.43

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Solution

The fourth proportional to 592,456,457.76, 818,139,487.60 and 443,519,009.43 is: 612,467,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,456,457.76 : 818,139,487.60 = 443,519,009.43 : x
  2. Step 2: Convert to fraction form
    592,456,457.76/818,139,487.60 = 443,519,009.43/x
  3. Step 3: Cross multiply
    592,456,457.76x = 818,139,487.60 × 443,519,009.43
  4. Step 4: Simplify right side
    592,456,457.76x = 362,860,415,115,919,808
  5. Step 5: Solve for x
    x = 362,860,415,115,919,808/592,456,457.76
  6. Step 6: Final answer
    x = 612,467,651.19

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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.