Home / 1,969,357,462.51-2,717,778,120.43-1,077,263,774.02

Finding the Fourth Proportional to 1,969,357,462.51, 2,717,778,120.43 and 1,077,263,774.02

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Solution

The fourth proportional to 1,969,357,462.51, 2,717,778,120.43 and 1,077,263,774.02 is: 1,486,659,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,357,462.51 : 2,717,778,120.43 = 1,077,263,774.02 : x
  2. Step 2: Convert to fraction form
    1,969,357,462.51/2,717,778,120.43 = 1,077,263,774.02/x
  3. Step 3: Cross multiply
    1,969,357,462.51x = 2,717,778,120.43 × 1,077,263,774.02
  4. Step 4: Simplify right side
    1,969,357,462.51x = 2,927,763,914,966,685,184
  5. Step 5: Solve for x
    x = 2,927,763,914,966,685,184/1,969,357,462.51
  6. Step 6: Final answer
    x = 1,486,659,466.70

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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.