Home / 1,616,988,719.80-2,425,483,079.70-891,394,607.80

Finding the Fourth Proportional to 1,616,988,719.80, 2,425,483,079.70 and 891,394,607.80

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Solution

The fourth proportional to 1,616,988,719.80, 2,425,483,079.70 and 891,394,607.80 is: 1,337,091,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,988,719.80 : 2,425,483,079.70 = 891,394,607.80 : x
  2. Step 2: Convert to fraction form
    1,616,988,719.80/2,425,483,079.70 = 891,394,607.80/x
  3. Step 3: Cross multiply
    1,616,988,719.80x = 2,425,483,079.70 × 891,394,607.80
  4. Step 4: Simplify right side
    1,616,988,719.80x = 2,162,062,538,554,717,440
  5. Step 5: Solve for x
    x = 2,162,062,538,554,717,440/1,616,988,719.80
  6. Step 6: Final answer
    x = 1,337,091,911.70

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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.