Home / 1,920,559,492.86-2,650,374,885.51-1,040,493,196.86

Finding the Fourth Proportional to 1,920,559,492.86, 2,650,374,885.51 and 1,040,493,196.86

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Solution

The fourth proportional to 1,920,559,492.86, 2,650,374,885.51 and 1,040,493,196.86 is: 1,435,882,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,559,492.86 : 2,650,374,885.51 = 1,040,493,196.86 : x
  2. Step 2: Convert to fraction form
    1,920,559,492.86/2,650,374,885.51 = 1,040,493,196.86/x
  3. Step 3: Cross multiply
    1,920,559,492.86x = 2,650,374,885.51 × 1,040,493,196.86
  4. Step 4: Simplify right side
    1,920,559,492.86x = 2,757,697,037,501,756,416
  5. Step 5: Solve for x
    x = 2,757,697,037,501,756,416/1,920,559,492.86
  6. Step 6: Final answer
    x = 1,435,882,120.68

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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.