Home / 845,869,615.56-1,268,802,678.74-477,237,226.20

Finding the Fourth Proportional to 845,869,615.56, 1,268,802,678.74 and 477,237,226.20

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Solution

The fourth proportional to 845,869,615.56, 1,268,802,678.74 and 477,237,226.20 is: 715,854,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,869,615.56 : 1,268,802,678.74 = 477,237,226.20 : x
  2. Step 2: Convert to fraction form
    845,869,615.56/1,268,802,678.74 = 477,237,226.20/x
  3. Step 3: Cross multiply
    845,869,615.56x = 1,268,802,678.74 × 477,237,226.20
  4. Step 4: Simplify right side
    845,869,615.56x = 605,519,870,997,007,360
  5. Step 5: Solve for x
    x = 605,519,870,997,007,360/845,869,615.56
  6. Step 6: Final answer
    x = 715,854,855.00

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1.5x scale

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.