Home / 1,293,988,885.80-1,940,983,328.70-804,212,860.20

Finding the Fourth Proportional to 1,293,988,885.80, 1,940,983,328.70 and 804,212,860.20

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Solution

The fourth proportional to 1,293,988,885.80, 1,940,983,328.70 and 804,212,860.20 is: 1,206,319,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,988,885.80 : 1,940,983,328.70 = 804,212,860.20 : x
  2. Step 2: Convert to fraction form
    1,293,988,885.80/1,940,983,328.70 = 804,212,860.20/x
  3. Step 3: Cross multiply
    1,293,988,885.80x = 1,940,983,328.70 × 804,212,860.20
  4. Step 4: Simplify right side
    1,293,988,885.80x = 1,560,963,754,374,343,936
  5. Step 5: Solve for x
    x = 1,560,963,754,374,343,936/1,293,988,885.80
  6. Step 6: Final answer
    x = 1,206,319,290.30

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1.5x scale

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.