Home / 556,652,559.09-768,159,486.45-309,149,856.57

Finding the Fourth Proportional to 556,652,559.09, 768,159,486.45 and 309,149,856.57

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Solution

The fourth proportional to 556,652,559.09, 768,159,486.45 and 309,149,856.57 is: 426,615,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,652,559.09 : 768,159,486.45 = 309,149,856.57 : x
  2. Step 2: Convert to fraction form
    556,652,559.09/768,159,486.45 = 309,149,856.57/x
  3. Step 3: Cross multiply
    556,652,559.09x = 768,159,486.45 × 309,149,856.57
  4. Step 4: Simplify right side
    556,652,559.09x = 237,476,395,058,902,368
  5. Step 5: Solve for x
    x = 237,476,395,058,902,368/556,652,559.09
  6. Step 6: Final answer
    x = 426,615,114.19

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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.