Home / 1,686,157,377.16-2,327,140,574.57-971,556,067.57

Finding the Fourth Proportional to 1,686,157,377.16, 2,327,140,574.57 and 971,556,067.57

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Solution

The fourth proportional to 1,686,157,377.16, 2,327,140,574.57 and 971,556,067.57 is: 1,340,887,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,157,377.16 : 2,327,140,574.57 = 971,556,067.57 : x
  2. Step 2: Convert to fraction form
    1,686,157,377.16/2,327,140,574.57 = 971,556,067.57/x
  3. Step 3: Cross multiply
    1,686,157,377.16x = 2,327,140,574.57 × 971,556,067.57
  4. Step 4: Simplify right side
    1,686,157,377.16x = 2,260,947,545,311,819,776
  5. Step 5: Solve for x
    x = 2,260,947,545,311,819,776/1,686,157,377.16
  6. Step 6: Final answer
    x = 1,340,887,615.79

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Double scale
Find fourth proportional to 1,686,157,378.16, 2,327,140,575.95 and 971,556,068.57
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1.5x scale

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.