Home / 849,287,643,873.89-1,172,016,903,717.30-458,654,170,042.66

Finding the Fourth Proportional to 849,287,643,873.89, 1,172,016,903,717.30 and 458,654,170,042.66

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Solution

The fourth proportional to 849,287,643,873.89, 1,172,016,903,717.30 and 458,654,170,042.66 is: 632,942,730,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,287,643,873.89 : 1,172,016,903,717.30 = 458,654,170,042.66 : x
  2. Step 2: Convert to fraction form
    849,287,643,873.89/1,172,016,903,717.30 = 458,654,170,042.66/x
  3. Step 3: Cross multiply
    849,287,643,873.89x = 1,172,016,903,717.30 × 458,654,170,042.66
  4. Step 4: Simplify right side
    849,287,643,873.89x = 537,550,440,250,426,395,721,728
  5. Step 5: Solve for x
    x = 537,550,440,250,426,395,721,728/849,287,643,873.89
  6. Step 6: Final answer
    x = 632,942,730,449.34

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Double scale
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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.