Home / 1,939,911,299.30-2,677,078,666.96-1,047,838,021.22

Finding the Fourth Proportional to 1,939,911,299.30, 2,677,078,666.96 and 1,047,838,021.22

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Solution

The fourth proportional to 1,939,911,299.30, 2,677,078,666.96 and 1,047,838,021.22 is: 1,446,017,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,911,299.30 : 2,677,078,666.96 = 1,047,838,021.22 : x
  2. Step 2: Convert to fraction form
    1,939,911,299.30/2,677,078,666.96 = 1,047,838,021.22/x
  3. Step 3: Cross multiply
    1,939,911,299.30x = 2,677,078,666.96 × 1,047,838,021.22
  4. Step 4: Simplify right side
    1,939,911,299.30x = 2,805,144,813,021,637,120
  5. Step 5: Solve for x
    x = 2,805,144,813,021,637,120/1,939,911,299.30
  6. Step 6: Final answer
    x = 1,446,017,049.36

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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.