Home / 2,147,714,030.97-2,963,503,872.35-1,207,735,143.35

Finding the Fourth Proportional to 2,147,714,030.97, 2,963,503,872.35 and 1,207,735,143.35

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Solution

The fourth proportional to 2,147,714,030.97, 2,963,503,872.35 and 1,207,735,143.35 is: 1,666,482,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,714,030.97 : 2,963,503,872.35 = 1,207,735,143.35 : x
  2. Step 2: Convert to fraction form
    2,147,714,030.97/2,963,503,872.35 = 1,207,735,143.35/x
  3. Step 3: Cross multiply
    2,147,714,030.97x = 2,963,503,872.35 × 1,207,735,143.35
  4. Step 4: Simplify right side
    2,147,714,030.97x = 3,579,127,774,090,907,136
  5. Step 5: Solve for x
    x = 3,579,127,774,090,907,136/2,147,714,030.97
  6. Step 6: Final answer
    x = 1,666,482,465.77

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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.