Home / 285,311,477,703.56-393,730,092,512.37-156,855,111,843.56

Finding the Fourth Proportional to 285,311,477,703.56, 393,730,092,512.37 and 156,855,111,843.56

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Solution

The fourth proportional to 285,311,477,703.56, 393,730,092,512.37 and 156,855,111,843.56 is: 216,460,193,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,311,477,703.56 : 393,730,092,512.37 = 156,855,111,843.56 : x
  2. Step 2: Convert to fraction form
    285,311,477,703.56/393,730,092,512.37 = 156,855,111,843.56/x
  3. Step 3: Cross multiply
    285,311,477,703.56x = 393,730,092,512.37 × 156,855,111,843.56
  4. Step 4: Simplify right side
    285,311,477,703.56x = 61,758,577,697,203,020,627,968
  5. Step 5: Solve for x
    x = 61,758,577,697,203,020,627,968/285,311,477,703.56
  6. Step 6: Final answer
    x = 216,460,193,590.15

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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.