Home / 1,541,529,979.31-2,127,312,945.85-836,682,106.07

Finding the Fourth Proportional to 1,541,529,979.31, 2,127,312,945.85 and 836,682,106.07

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Solution

The fourth proportional to 1,541,529,979.31, 2,127,312,945.85 and 836,682,106.07 is: 1,154,622,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,529,979.31 : 2,127,312,945.85 = 836,682,106.07 : x
  2. Step 2: Convert to fraction form
    1,541,529,979.31/2,127,312,945.85 = 836,682,106.07/x
  3. Step 3: Cross multiply
    1,541,529,979.31x = 2,127,312,945.85 × 836,682,106.07
  4. Step 4: Simplify right side
    1,541,529,979.31x = 1,779,884,675,794,121,472
  5. Step 5: Solve for x
    x = 1,779,884,675,794,121,472/1,541,529,979.31
  6. Step 6: Final answer
    x = 1,154,622,160.89

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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.