Home / 1,638,294,081.92-2,459,189,871.84-706,076,988.80

Finding the Fourth Proportional to 1,638,294,081.92, 2,459,189,871.84 and 706,076,988.80

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Solution

The fourth proportional to 1,638,294,081.92, 2,459,189,871.84 and 706,076,988.80 is: 1,059,869,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,294,081.92 : 2,459,189,871.84 = 706,076,988.80 : x
  2. Step 2: Convert to fraction form
    1,638,294,081.92/2,459,189,871.84 = 706,076,988.80/x
  3. Step 3: Cross multiply
    1,638,294,081.92x = 2,459,189,871.84 × 706,076,988.80
  4. Step 4: Simplify right side
    1,638,294,081.92x = 1,736,377,379,596,244,992
  5. Step 5: Solve for x
    x = 1,736,377,379,596,244,992/1,638,294,081.92
  6. Step 6: Final answer
    x = 1,059,869,164.37

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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.