Home / 1,856,464,998.76-2,561,970,165.06-1,021,111,486.84

Finding the Fourth Proportional to 1,856,464,998.76, 2,561,970,165.06 and 1,021,111,486.84

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Solution

The fourth proportional to 1,856,464,998.76, 2,561,970,165.06 and 1,021,111,486.84 is: 1,409,160,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,464,998.76 : 2,561,970,165.06 = 1,021,111,486.84 : x
  2. Step 2: Convert to fraction form
    1,856,464,998.76/2,561,970,165.06 = 1,021,111,486.84/x
  3. Step 3: Cross multiply
    1,856,464,998.76x = 2,561,970,165.06 × 1,021,111,486.84
  4. Step 4: Simplify right side
    1,856,464,998.76x = 2,616,057,164,484,136,960
  5. Step 5: Solve for x
    x = 2,616,057,164,484,136,960/1,856,464,998.76
  6. Step 6: Final answer
    x = 1,409,160,510.02

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Double scale
Find fourth proportional to 1,856,464,999.76, 2,561,970,166.44 and 1,021,111,487.84
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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.