Home / 1,939,825,159.16-2,911,577,322.85-1,200,659,159.39

Finding the Fourth Proportional to 1,939,825,159.16, 2,911,577,322.85 and 1,200,659,159.39

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Solution

The fourth proportional to 1,939,825,159.16, 2,911,577,322.85 and 1,200,659,159.39 is: 1,802,127,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,825,159.16 : 2,911,577,322.85 = 1,200,659,159.39 : x
  2. Step 2: Convert to fraction form
    1,939,825,159.16/2,911,577,322.85 = 1,200,659,159.39/x
  3. Step 3: Cross multiply
    1,939,825,159.16x = 2,911,577,322.85 × 1,200,659,159.39
  4. Step 4: Simplify right side
    1,939,825,159.16x = 3,495,811,980,934,508,032
  5. Step 5: Solve for x
    x = 3,495,811,980,934,508,032/1,939,825,159.16
  6. Step 6: Final answer
    x = 1,802,127,353.82

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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.