Home / 1,918,124,417.52-2,647,011,664.10-1,038,058,121.52

Finding the Fourth Proportional to 1,918,124,417.52, 2,647,011,664.10 and 1,038,058,121.52

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Solution

The fourth proportional to 1,918,124,417.52, 2,647,011,664.10 and 1,038,058,121.52 is: 1,432,520,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,124,417.52 : 2,647,011,664.10 = 1,038,058,121.52 : x
  2. Step 2: Convert to fraction form
    1,918,124,417.52/2,647,011,664.10 = 1,038,058,121.52/x
  3. Step 3: Cross multiply
    1,918,124,417.52x = 2,647,011,664.10 × 1,038,058,121.52
  4. Step 4: Simplify right side
    1,918,124,417.52x = 2,747,751,955,677,175,296
  5. Step 5: Solve for x
    x = 2,747,751,955,677,175,296/1,918,124,417.52
  6. Step 6: Final answer
    x = 1,432,520,190.34

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1.5x scale

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.