Home / 30,343,201,748.76-41,870,754,058.59-18,133,476,072.12

Finding the Fourth Proportional to 30,343,201,748.76, 41,870,754,058.59 and 18,133,476,072.12

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Solution

The fourth proportional to 30,343,201,748.76, 41,870,754,058.59 and 18,133,476,072.12 is: 25,022,485,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,201,748.76 : 41,870,754,058.59 = 18,133,476,072.12 : x
  2. Step 2: Convert to fraction form
    30,343,201,748.76/41,870,754,058.59 = 18,133,476,072.12/x
  3. Step 3: Cross multiply
    30,343,201,748.76x = 41,870,754,058.59 × 18,133,476,072.12
  4. Step 4: Simplify right side
    30,343,201,748.76x = 759,262,316,843,063,050,240
  5. Step 5: Solve for x
    x = 759,262,316,843,063,050,240/30,343,201,748.76
  6. Step 6: Final answer
    x = 25,022,485,205.41

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Double scale
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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.