Home / 515,609,336.32-773,406,426.40-127,432,200

Finding the Fourth Proportional to 515,609,336.32, 773,406,426.40 and 127,432,200

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Solution

The fourth proportional to 515,609,336.32, 773,406,426.40 and 127,432,200 is: 191,146,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,609,336.32 : 773,406,426.40 = 127,432,200 : x
  2. Step 2: Convert to fraction form
    515,609,336.32/773,406,426.40 = 127,432,200/x
  3. Step 3: Cross multiply
    515,609,336.32x = 773,406,426.40 × 127,432,200
  4. Step 4: Simplify right side
    515,609,336.32x = 98,556,882,410,290,080
  5. Step 5: Solve for x
    x = 98,556,882,410,290,080/515,609,336.32
  6. Step 6: Final answer
    x = 191,146,427.09

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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.