Home / 19,907,453,330.60-29,861,179,995.90-15,521,640,031.40

Finding the Fourth Proportional to 19,907,453,330.60, 29,861,179,995.90 and 15,521,640,031.40

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Solution

The fourth proportional to 19,907,453,330.60, 29,861,179,995.90 and 15,521,640,031.40 is: 23,282,460,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907,453,330.60 : 29,861,179,995.90 = 15,521,640,031.40 : x
  2. Step 2: Convert to fraction form
    19,907,453,330.60/29,861,179,995.90 = 15,521,640,031.40/x
  3. Step 3: Cross multiply
    19,907,453,330.60x = 29,861,179,995.90 × 15,521,640,031.40
  4. Step 4: Simplify right side
    19,907,453,330.60x = 463,494,486,809,202,327,552
  5. Step 5: Solve for x
    x = 463,494,486,809,202,327,552/19,907,453,330.60
  6. Step 6: Final answer
    x = 23,282,460,047.10

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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.