Home / 1,571,130,662.82-2,168,257,091.46-866,280,464.52

Finding the Fourth Proportional to 1,571,130,662.82, 2,168,257,091.46 and 866,280,464.52

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Solution

The fourth proportional to 1,571,130,662.82, 2,168,257,091.46 and 866,280,464.52 is: 1,195,520,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,130,662.82 : 2,168,257,091.46 = 866,280,464.52 : x
  2. Step 2: Convert to fraction form
    1,571,130,662.82/2,168,257,091.46 = 866,280,464.52/x
  3. Step 3: Cross multiply
    1,571,130,662.82x = 2,168,257,091.46 × 866,280,464.52
  4. Step 4: Simplify right side
    1,571,130,662.82x = 1,878,318,760,390,829,312
  5. Step 5: Solve for x
    x = 1,878,318,760,390,829,312/1,571,130,662.82
  6. Step 6: Final answer
    x = 1,195,520,401.23

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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.