Home / 1,561,625,886.63-2,342,356,330.56-512,225,859.77

Finding the Fourth Proportional to 1,561,625,886.63, 2,342,356,330.56 and 512,225,859.77

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Solution

The fourth proportional to 1,561,625,886.63, 2,342,356,330.56 and 512,225,859.77 is: 768,311,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,625,886.63 : 2,342,356,330.56 = 512,225,859.77 : x
  2. Step 2: Convert to fraction form
    1,561,625,886.63/2,342,356,330.56 = 512,225,859.77/x
  3. Step 3: Cross multiply
    1,561,625,886.63x = 2,342,356,330.56 × 512,225,859.77
  4. Step 4: Simplify right side
    1,561,625,886.63x = 1,199,815,485,308,798,208
  5. Step 5: Solve for x
    x = 1,199,815,485,308,798,208/1,561,625,886.63
  6. Step 6: Final answer
    x = 768,311,729.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.