Home / 1,868,388,512.70-2,800,669,581.45-1,091,634,347.10

Finding the Fourth Proportional to 1,868,388,512.70, 2,800,669,581.45 and 1,091,634,347.10

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Solution

The fourth proportional to 1,868,388,512.70, 2,800,669,581.45 and 1,091,634,347.10 is: 1,636,333,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,388,512.70 : 2,800,669,581.45 = 1,091,634,347.10 : x
  2. Step 2: Convert to fraction form
    1,868,388,512.70/2,800,669,581.45 = 1,091,634,347.10/x
  3. Step 3: Cross multiply
    1,868,388,512.70x = 2,800,669,581.45 × 1,091,634,347.10
  4. Step 4: Simplify right side
    1,868,388,512.70x = 3,057,307,109,989,000,704
  5. Step 5: Solve for x
    x = 3,057,307,109,989,000,704/1,868,388,512.70
  6. Step 6: Final answer
    x = 1,636,333,711.76

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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.