Home / 303,920,668,881.60-455,881,003,322.40-255,160,744,555.20

Finding the Fourth Proportional to 303,920,668,881.60, 455,881,003,322.40 and 255,160,744,555.20

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Solution

The fourth proportional to 303,920,668,881.60, 455,881,003,322.40 and 255,160,744,555.20 is: 382,741,116,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,920,668,881.60 : 455,881,003,322.40 = 255,160,744,555.20 : x
  2. Step 2: Convert to fraction form
    303,920,668,881.60/455,881,003,322.40 = 255,160,744,555.20/x
  3. Step 3: Cross multiply
    303,920,668,881.60x = 455,881,003,322.40 × 255,160,744,555.20
  4. Step 4: Simplify right side
    303,920,668,881.60x = 116,322,936,236,315,206,746,112
  5. Step 5: Solve for x
    x = 116,322,936,236,315,206,746,112/303,920,668,881.60
  6. Step 6: Final answer
    x = 382,741,116,832.80

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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.