Home / 885,290,578.92-1,322,196,168.18-802,126,172.05

Finding the Fourth Proportional to 885,290,578.92, 1,322,196,168.18 and 802,126,172.05

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Solution

The fourth proportional to 885,290,578.92, 1,322,196,168.18 and 802,126,172.05 is: 1,197,988,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,290,578.92 : 1,322,196,168.18 = 802,126,172.05 : x
  2. Step 2: Convert to fraction form
    885,290,578.92/1,322,196,168.18 = 802,126,172.05/x
  3. Step 3: Cross multiply
    885,290,578.92x = 1,322,196,168.18 × 802,126,172.05
  4. Step 4: Simplify right side
    885,290,578.92x = 1,060,568,151,081,063,936
  5. Step 5: Solve for x
    x = 1,060,568,151,081,063,936/885,290,578.92
  6. Step 6: Final answer
    x = 1,197,988,746.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.