Home / 979,497,149.82-1,351,801,543.59-731,548,036.86

Finding the Fourth Proportional to 979,497,149.82, 1,351,801,543.59 and 731,548,036.86

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Solution

The fourth proportional to 979,497,149.82, 1,351,801,543.59 and 731,548,036.86 is: 1,009,607,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,497,149.82 : 1,351,801,543.59 = 731,548,036.86 : x
  2. Step 2: Convert to fraction form
    979,497,149.82/1,351,801,543.59 = 731,548,036.86/x
  3. Step 3: Cross multiply
    979,497,149.82x = 1,351,801,543.59 × 731,548,036.86
  4. Step 4: Simplify right side
    979,497,149.82x = 988,907,765,437,582,208
  5. Step 5: Solve for x
    x = 988,907,765,437,582,208/979,497,149.82
  6. Step 6: Final answer
    x = 1,009,607,598.78

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1.5x scale

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.