Home / 1,991,144,042.65-2,747,779,047.81-1,099,070,937.51

Finding the Fourth Proportional to 1,991,144,042.65, 2,747,779,047.81 and 1,099,070,937.51

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Solution

The fourth proportional to 1,991,144,042.65, 2,747,779,047.81 and 1,099,070,937.51 is: 1,516,718,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,144,042.65 : 2,747,779,047.81 = 1,099,070,937.51 : x
  2. Step 2: Convert to fraction form
    1,991,144,042.65/2,747,779,047.81 = 1,099,070,937.51/x
  3. Step 3: Cross multiply
    1,991,144,042.65x = 2,747,779,047.81 × 1,099,070,937.51
  4. Step 4: Simplify right side
    1,991,144,042.65x = 3,020,004,094,135,001,600
  5. Step 5: Solve for x
    x = 3,020,004,094,135,001,600/1,991,144,042.65
  6. Step 6: Final answer
    x = 1,516,718,042.22

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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.