Home / 12,720,234,378.42-19,084,245,581.07-6,513,794,058.42

Finding the Fourth Proportional to 12,720,234,378.42, 19,084,245,581.07 and 6,513,794,058.42

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Solution

The fourth proportional to 12,720,234,378.42, 19,084,245,581.07 and 6,513,794,058.42 is: 9,772,685,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720,234,378.42 : 19,084,245,581.07 = 6,513,794,058.42 : x
  2. Step 2: Convert to fraction form
    12,720,234,378.42/19,084,245,581.07 = 6,513,794,058.42/x
  3. Step 3: Cross multiply
    12,720,234,378.42x = 19,084,245,581.07 × 6,513,794,058.42
  4. Step 4: Simplify right side
    12,720,234,378.42x = 124,310,845,475,401,908,224
  5. Step 5: Solve for x
    x = 124,310,845,475,401,908,224/12,720,234,378.42
  6. Step 6: Final answer
    x = 9,772,685,139.06

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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.