Home / 845,869,649.74-1,268,802,729.66-477,237,260.98

Finding the Fourth Proportional to 845,869,649.74, 1,268,802,729.66 and 477,237,260.98

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Solution

The fourth proportional to 845,869,649.74, 1,268,802,729.66 and 477,237,260.98 is: 715,854,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,869,649.74 : 1,268,802,729.66 = 477,237,260.98 : x
  2. Step 2: Convert to fraction form
    845,869,649.74/1,268,802,729.66 = 477,237,260.98/x
  3. Step 3: Cross multiply
    845,869,649.74x = 1,268,802,729.66 × 477,237,260.98
  4. Step 4: Simplify right side
    845,869,649.74x = 605,519,939,426,885,888
  5. Step 5: Solve for x
    x = 605,519,939,426,885,888/845,869,649.74
  6. Step 6: Final answer
    x = 715,854,906.97

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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.