Home / 1,931,391,423.10-2,665,384,542.84-1,084,767,939.53

Finding the Fourth Proportional to 1,931,391,423.10, 2,665,384,542.84 and 1,084,767,939.53

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Solution

The fourth proportional to 1,931,391,423.10, 2,665,384,542.84 and 1,084,767,939.53 is: 1,497,015,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,391,423.10 : 2,665,384,542.84 = 1,084,767,939.53 : x
  2. Step 2: Convert to fraction form
    1,931,391,423.10/2,665,384,542.84 = 1,084,767,939.53/x
  3. Step 3: Cross multiply
    1,931,391,423.10x = 2,665,384,542.84 × 1,084,767,939.53
  4. Step 4: Simplify right side
    1,931,391,423.10x = 2,891,323,698,591,657,984
  5. Step 5: Solve for x
    x = 2,891,323,698,591,657,984/1,931,391,423.10
  6. Step 6: Final answer
    x = 1,497,015,915.06

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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.