Home / 849,287,643,893.90-1,172,016,903,745.10-458,654,170,062.78

Finding the Fourth Proportional to 849,287,643,893.90, 1,172,016,903,745.10 and 458,654,170,062.78

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Solution

The fourth proportional to 849,287,643,893.90, 1,172,016,903,745.10 and 458,654,170,062.78 is: 632,942,730,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,287,643,893.90 : 1,172,016,903,745.10 = 458,654,170,062.78 : x
  2. Step 2: Convert to fraction form
    849,287,643,893.90/1,172,016,903,745.10 = 458,654,170,062.78/x
  3. Step 3: Cross multiply
    849,287,643,893.90x = 1,172,016,903,745.10 × 458,654,170,062.78
  4. Step 4: Simplify right side
    849,287,643,893.90x = 537,550,440,286,758,060,949,504
  5. Step 5: Solve for x
    x = 537,550,440,286,758,060,949,504/849,287,643,893.90
  6. Step 6: Final answer
    x = 632,942,730,477.21

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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.