Home / 28,550,820,240.63-39,397,763,769.30-15,689,783,950.02

Finding the Fourth Proportional to 28,550,820,240.63, 39,397,763,769.30 and 15,689,783,950.02

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Solution

The fourth proportional to 28,550,820,240.63, 39,397,763,769.30 and 15,689,783,950.02 is: 21,650,600,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550,820,240.63 : 39,397,763,769.30 = 15,689,783,950.02 : x
  2. Step 2: Convert to fraction form
    28,550,820,240.63/39,397,763,769.30 = 15,689,783,950.02/x
  3. Step 3: Cross multiply
    28,550,820,240.63x = 39,397,763,769.30 × 15,689,783,950.02
  4. Step 4: Simplify right side
    28,550,820,240.63x = 618,142,401,654,242,672,640
  5. Step 5: Solve for x
    x = 618,142,401,654,242,672,640/28,550,820,240.63
  6. Step 6: Final answer
    x = 21,650,600,453.66

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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.