Home / 1,049,293,830.34-1,573,940,548.68-312,374,513.80

Finding the Fourth Proportional to 1,049,293,830.34, 1,573,940,548.68 and 312,374,513.80

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Solution

The fourth proportional to 1,049,293,830.34, 1,573,940,548.68 and 312,374,513.80 is: 468,561,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,293,830.34 : 1,573,940,548.68 = 312,374,513.80 : x
  2. Step 2: Convert to fraction form
    1,049,293,830.34/1,573,940,548.68 = 312,374,513.80/x
  3. Step 3: Cross multiply
    1,049,293,830.34x = 1,573,940,548.68 × 312,374,513.80
  4. Step 4: Simplify right side
    1,049,293,830.34x = 491,658,913,644,020,288
  5. Step 5: Solve for x
    x = 491,658,913,644,020,288/1,049,293,830.34
  6. Step 6: Final answer
    x = 468,561,712.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.