Home / 756,014,837.08-1,043,531,064.45-438,555,308.02

Finding the Fourth Proportional to 756,014,837.08, 1,043,531,064.45 and 438,555,308.02

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Solution

The fourth proportional to 756,014,837.08, 1,043,531,064.45 and 438,555,308.02 is: 605,340,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,014,837.08 : 1,043,531,064.45 = 438,555,308.02 : x
  2. Step 2: Convert to fraction form
    756,014,837.08/1,043,531,064.45 = 438,555,308.02/x
  3. Step 3: Cross multiply
    756,014,837.08x = 1,043,531,064.45 × 438,555,308.02
  4. Step 4: Simplify right side
    756,014,837.08x = 457,646,087,398,308,224
  5. Step 5: Solve for x
    x = 457,646,087,398,308,224/756,014,837.08
  6. Step 6: Final answer
    x = 605,340,087.19

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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.