Home / 1,996,974,446.96-2,995,870,215.72-686,706,333.40

Finding the Fourth Proportional to 1,996,974,446.96, 2,995,870,215.72 and 686,706,333.40

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Solution

The fourth proportional to 1,996,974,446.96, 2,995,870,215.72 and 686,706,333.40 is: 1,030,199,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,974,446.96 : 2,995,870,215.72 = 686,706,333.40 : x
  2. Step 2: Convert to fraction form
    1,996,974,446.96/2,995,870,215.72 = 686,706,333.40/x
  3. Step 3: Cross multiply
    1,996,974,446.96x = 2,995,870,215.72 × 686,706,333.40
  4. Step 4: Simplify right side
    1,996,974,446.96x = 2,057,283,051,179,347,968
  5. Step 5: Solve for x
    x = 2,057,283,051,179,347,968/1,996,974,446.96
  6. Step 6: Final answer
    x = 1,030,199,987.94

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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.