Home / 1,816,672,043.67-2,507,008,429.02-981,296,622.47

Finding the Fourth Proportional to 1,816,672,043.67, 2,507,008,429.02 and 981,296,622.47

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Solution

The fourth proportional to 1,816,672,043.67, 2,507,008,429.02 and 981,296,622.47 is: 1,354,189,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,672,043.67 : 2,507,008,429.02 = 981,296,622.47 : x
  2. Step 2: Convert to fraction form
    1,816,672,043.67/2,507,008,429.02 = 981,296,622.47/x
  3. Step 3: Cross multiply
    1,816,672,043.67x = 2,507,008,429.02 × 981,296,622.47
  4. Step 4: Simplify right side
    1,816,672,043.67x = 2,460,118,903,894,256,128
  5. Step 5: Solve for x
    x = 2,460,118,903,894,256,128/1,816,672,043.67
  6. Step 6: Final answer
    x = 1,354,189,883.89

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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.