Home / 1,915,108,992.49-2,872,561,336.49-516,070,802.38

Finding the Fourth Proportional to 1,915,108,992.49, 2,872,561,336.49 and 516,070,802.38

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Solution

The fourth proportional to 1,915,108,992.49, 2,872,561,336.49 and 516,070,802.38 is: 774,078,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,108,992.49 : 2,872,561,336.49 = 516,070,802.38 : x
  2. Step 2: Convert to fraction form
    1,915,108,992.49/2,872,561,336.49 = 516,070,802.38/x
  3. Step 3: Cross multiply
    1,915,108,992.49x = 2,872,561,336.49 × 516,070,802.38
  4. Step 4: Simplify right side
    1,915,108,992.49x = 1,482,445,033,808,159,232
  5. Step 5: Solve for x
    x = 1,482,445,033,808,159,232/1,915,108,992.49
  6. Step 6: Final answer
    x = 774,078,676.26

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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.