Home / 14,918,460,786.92-20,587,371,154.92-8,144,279,365.68

Finding the Fourth Proportional to 14,918,460,786.92, 20,587,371,154.92 and 8,144,279,365.68

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Solution

The fourth proportional to 14,918,460,786.92, 20,587,371,154.92 and 8,144,279,365.68 is: 11,239,048,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918,460,786.92 : 20,587,371,154.92 = 8,144,279,365.68 : x
  2. Step 2: Convert to fraction form
    14,918,460,786.92/20,587,371,154.92 = 8,144,279,365.68/x
  3. Step 3: Cross multiply
    14,918,460,786.92x = 20,587,371,154.92 × 8,144,279,365.68
  4. Step 4: Simplify right side
    14,918,460,786.92x = 167,669,302,090,610,573,312
  5. Step 5: Solve for x
    x = 167,669,302,090,610,573,312/14,918,460,786.92
  6. Step 6: Final answer
    x = 11,239,048,349.92

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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.