Home / 1,118,019,588.20-1,677,029,382.30-710,880,669.80

Finding the Fourth Proportional to 1,118,019,588.20, 1,677,029,382.30 and 710,880,669.80

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Solution

The fourth proportional to 1,118,019,588.20, 1,677,029,382.30 and 710,880,669.80 is: 1,066,321,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,019,588.20 : 1,677,029,382.30 = 710,880,669.80 : x
  2. Step 2: Convert to fraction form
    1,118,019,588.20/1,677,029,382.30 = 710,880,669.80/x
  3. Step 3: Cross multiply
    1,118,019,588.20x = 1,677,029,382.30 × 710,880,669.80
  4. Step 4: Simplify right side
    1,118,019,588.20x = 1,192,167,770,563,704,064
  5. Step 5: Solve for x
    x = 1,192,167,770,563,704,064/1,118,019,588.20
  6. Step 6: Final answer
    x = 1,066,321,004.70

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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.