Home / 1,276,996,223.56-1,914,575,025.28-784,692,365.63

Finding the Fourth Proportional to 1,276,996,223.56, 1,914,575,025.28 and 784,692,365.63

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Solution

The fourth proportional to 1,276,996,223.56, 1,914,575,025.28 and 784,692,365.63 is: 1,176,473,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,996,223.56 : 1,914,575,025.28 = 784,692,365.63 : x
  2. Step 2: Convert to fraction form
    1,276,996,223.56/1,914,575,025.28 = 784,692,365.63/x
  3. Step 3: Cross multiply
    1,276,996,223.56x = 1,914,575,025.28 × 784,692,365.63
  4. Step 4: Simplify right side
    1,276,996,223.56x = 1,502,352,405,768,750,848
  5. Step 5: Solve for x
    x = 1,502,352,405,768,750,848/1,276,996,223.56
  6. Step 6: Final answer
    x = 1,176,473,648.12

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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.