Home / 1,990,657,492.80-2,985,986,239.20-1,119,944,558.40

Finding the Fourth Proportional to 1,990,657,492.80, 2,985,986,239.20 and 1,119,944,558.40

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Solution

The fourth proportional to 1,990,657,492.80, 2,985,986,239.20 and 1,119,944,558.40 is: 1,679,916,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,492.80 : 2,985,986,239.20 = 1,119,944,558.40 : x
  2. Step 2: Convert to fraction form
    1,990,657,492.80/2,985,986,239.20 = 1,119,944,558.40/x
  3. Step 3: Cross multiply
    1,990,657,492.80x = 2,985,986,239.20 × 1,119,944,558.40
  4. Step 4: Simplify right side
    1,990,657,492.80x = 3,344,139,040,049,320,960
  5. Step 5: Solve for x
    x = 3,344,139,040,049,320,960/1,990,657,492.80
  6. Step 6: Final answer
    x = 1,679,916,837.60

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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.