Home / 1,270,692,763.89-1,753,012,068.78-793,554,780.25

Finding the Fourth Proportional to 1,270,692,763.89, 1,753,012,068.78 and 793,554,780.25

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Solution

The fourth proportional to 1,270,692,763.89, 1,753,012,068.78 and 793,554,780.25 is: 1,094,765,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,692,763.89 : 1,753,012,068.78 = 793,554,780.25 : x
  2. Step 2: Convert to fraction form
    1,270,692,763.89/1,753,012,068.78 = 793,554,780.25/x
  3. Step 3: Cross multiply
    1,270,692,763.89x = 1,753,012,068.78 × 793,554,780.25
  4. Step 4: Simplify right side
    1,270,692,763.89x = 1,391,111,107,009,329,152
  5. Step 5: Solve for x
    x = 1,391,111,107,009,329,152/1,270,692,763.89
  6. Step 6: Final answer
    x = 1,094,765,899.79

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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.