Home / 2,071,759,488,021.20-2,859,908,413,127.60-1,290,878,426,331.60

Finding the Fourth Proportional to 2,071,759,488,021.20, 2,859,908,413,127.60 and 1,290,878,426,331.60

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Solution

The fourth proportional to 2,071,759,488,021.20, 2,859,908,413,127.60 and 1,290,878,426,331.60 is: 1,781,960,740,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,759,488,021.20 : 2,859,908,413,127.60 = 1,290,878,426,331.60 : x
  2. Step 2: Convert to fraction form
    2,071,759,488,021.20/2,859,908,413,127.60 = 1,290,878,426,331.60/x
  3. Step 3: Cross multiply
    2,071,759,488,021.20x = 2,859,908,413,127.60 × 1,290,878,426,331.60
  4. Step 4: Simplify right side
    2,071,759,488,021.20x = 3,691,794,071,790,660,326,785,024
  5. Step 5: Solve for x
    x = 3,691,794,071,790,660,326,785,024/2,071,759,488,021.20
  6. Step 6: Final answer
    x = 1,781,960,740,682.70

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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.