Home / 1,816,672,044.67-2,507,008,430.40-981,296,623.47

Finding the Fourth Proportional to 1,816,672,044.67, 2,507,008,430.40 and 981,296,623.47

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Solution

The fourth proportional to 1,816,672,044.67, 2,507,008,430.40 and 981,296,623.47 is: 1,354,189,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,672,044.67 : 2,507,008,430.40 = 981,296,623.47 : x
  2. Step 2: Convert to fraction form
    1,816,672,044.67/2,507,008,430.40 = 981,296,623.47/x
  3. Step 3: Cross multiply
    1,816,672,044.67x = 2,507,008,430.40 × 981,296,623.47
  4. Step 4: Simplify right side
    1,816,672,044.67x = 2,460,118,907,762,344,448
  5. Step 5: Solve for x
    x = 2,460,118,907,762,344,448/1,816,672,044.67
  6. Step 6: Final answer
    x = 1,354,189,885.28

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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.