Home / 556,652,551.34-768,159,475.77-309,149,848.82

Finding the Fourth Proportional to 556,652,551.34, 768,159,475.77 and 309,149,848.82

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Solution

The fourth proportional to 556,652,551.34, 768,159,475.77 and 309,149,848.82 is: 426,615,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,652,551.34 : 768,159,475.77 = 309,149,848.82 : x
  2. Step 2: Convert to fraction form
    556,652,551.34/768,159,475.77 = 309,149,848.82/x
  3. Step 3: Cross multiply
    556,652,551.34x = 768,159,475.77 × 309,149,848.82
  4. Step 4: Simplify right side
    556,652,551.34x = 237,476,385,803,945,952
  5. Step 5: Solve for x
    x = 237,476,385,803,945,952/556,652,551.34
  6. Step 6: Final answer
    x = 426,615,103.50

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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.