Home / 15,392,146,496.68-21,243,392,190-8,618,401,603.52

Finding the Fourth Proportional to 15,392,146,496.68, 21,243,392,190 and 8,618,401,603.52

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Solution

The fourth proportional to 15,392,146,496.68, 21,243,392,190 and 8,618,401,603.52 is: 11,894,642,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392,146,496.68 : 21,243,392,190 = 8,618,401,603.52 : x
  2. Step 2: Convert to fraction form
    15,392,146,496.68/21,243,392,190 = 8,618,401,603.52/x
  3. Step 3: Cross multiply
    15,392,146,496.68x = 21,243,392,190 × 8,618,401,603.52
  4. Step 4: Simplify right side
    15,392,146,496.68x = 183,084,085,314,500,263,936
  5. Step 5: Solve for x
    x = 183,084,085,314,500,263,936/15,392,146,496.68
  6. Step 6: Final answer
    x = 11,894,642,852.70

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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.