Home / 1,528,817,015.39-2,109,734,402.01-885,100,091.48

Finding the Fourth Proportional to 1,528,817,015.39, 2,109,734,402.01 and 885,100,091.48

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Solution

The fourth proportional to 1,528,817,015.39, 2,109,734,402.01 and 885,100,091.48 is: 1,221,418,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,817,015.39 : 2,109,734,402.01 = 885,100,091.48 : x
  2. Step 2: Convert to fraction form
    1,528,817,015.39/2,109,734,402.01 = 885,100,091.48/x
  3. Step 3: Cross multiply
    1,528,817,015.39x = 2,109,734,402.01 × 885,100,091.48
  4. Step 4: Simplify right side
    1,528,817,015.39x = 1,867,326,112,207,005,440
  5. Step 5: Solve for x
    x = 1,867,326,112,207,005,440/1,528,817,015.39
  6. Step 6: Final answer
    x = 1,221,418,975.20

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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.