Home / 761,296,005.05-1,050,588,486.97-431,271,144.05

Finding the Fourth Proportional to 761,296,005.05, 1,050,588,486.97 and 431,271,144.05

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Solution

The fourth proportional to 761,296,005.05, 1,050,588,486.97 and 431,271,144.05 is: 595,154,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,296,005.05 : 1,050,588,486.97 = 431,271,144.05 : x
  2. Step 2: Convert to fraction form
    761,296,005.05/1,050,588,486.97 = 431,271,144.05/x
  3. Step 3: Cross multiply
    761,296,005.05x = 1,050,588,486.97 × 431,271,144.05
  4. Step 4: Simplify right side
    761,296,005.05x = 453,088,498,702,858,688
  5. Step 5: Solve for x
    x = 453,088,498,702,858,688/761,296,005.05
  6. Step 6: Final answer
    x = 595,154,178.79

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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.