Home / 1,686,157,381.42-2,327,140,580.44-971,556,071.82

Finding the Fourth Proportional to 1,686,157,381.42, 2,327,140,580.44 and 971,556,071.82

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Solution

The fourth proportional to 1,686,157,381.42, 2,327,140,580.44 and 971,556,071.82 is: 1,340,887,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,157,381.42 : 2,327,140,580.44 = 971,556,071.82 : x
  2. Step 2: Convert to fraction form
    1,686,157,381.42/2,327,140,580.44 = 971,556,071.82/x
  3. Step 3: Cross multiply
    1,686,157,381.42x = 2,327,140,580.44 × 971,556,071.82
  4. Step 4: Simplify right side
    1,686,157,381.42x = 2,260,947,560,905,201,408
  5. Step 5: Solve for x
    x = 2,260,947,560,905,201,408/1,686,157,381.42
  6. Step 6: Final answer
    x = 1,340,887,621.65

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Double scale
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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.