Home / 765,286,238.43-1,056,027,638.79-426,169,094.49

Finding the Fourth Proportional to 765,286,238.43, 1,056,027,638.79 and 426,169,094.49

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Solution

The fourth proportional to 765,286,238.43, 1,056,027,638.79 and 426,169,094.49 is: 588,075,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,286,238.43 : 1,056,027,638.79 = 426,169,094.49 : x
  2. Step 2: Convert to fraction form
    765,286,238.43/1,056,027,638.79 = 426,169,094.49/x
  3. Step 3: Cross multiply
    765,286,238.43x = 1,056,027,638.79 × 426,169,094.49
  4. Step 4: Simplify right side
    765,286,238.43x = 450,046,342,579,547,072
  5. Step 5: Solve for x
    x = 450,046,342,579,547,072/765,286,238.43
  6. Step 6: Final answer
    x = 588,075,833.56

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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.