Home / 2,645,458,461.13-3,968,273,636.80-779,947,720.33

Finding the Fourth Proportional to 2,645,458,461.13, 3,968,273,636.80 and 779,947,720.33

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Solution

The fourth proportional to 2,645,458,461.13, 3,968,273,636.80 and 779,947,720.33 is: 1,169,946,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,458,461.13 : 3,968,273,636.80 = 779,947,720.33 : x
  2. Step 2: Convert to fraction form
    2,645,458,461.13/3,968,273,636.80 = 779,947,720.33/x
  3. Step 3: Cross multiply
    2,645,458,461.13x = 3,968,273,636.80 × 779,947,720.33
  4. Step 4: Simplify right side
    2,645,458,461.13x = 3,095,045,976,667,798,528
  5. Step 5: Solve for x
    x = 3,095,045,976,667,798,528/2,645,458,461.13
  6. Step 6: Final answer
    x = 1,169,946,919.27

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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.