Home / 849,287,643,920.64-1,172,016,903,781.80-458,654,170,089.42

Finding the Fourth Proportional to 849,287,643,920.64, 1,172,016,903,781.80 and 458,654,170,089.42

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Solution

The fourth proportional to 849,287,643,920.64, 1,172,016,903,781.80 and 458,654,170,089.42 is: 632,942,730,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,287,643,920.64 : 1,172,016,903,781.80 = 458,654,170,089.42 : x
  2. Step 2: Convert to fraction form
    849,287,643,920.64/1,172,016,903,781.80 = 458,654,170,089.42/x
  3. Step 3: Cross multiply
    849,287,643,920.64x = 1,172,016,903,781.80 × 458,654,170,089.42
  4. Step 4: Simplify right side
    849,287,643,920.64x = 537,550,440,334,813,107,847,168
  5. Step 5: Solve for x
    x = 537,550,440,334,813,107,847,168/849,287,643,920.64
  6. Step 6: Final answer
    x = 632,942,730,513.86

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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.