Home / 612,116,692.20-919,966,628.70-533,286,714.60

Finding the Fourth Proportional to 612,116,692.20, 919,966,628.70 and 533,286,714.60

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Solution

The fourth proportional to 612,116,692.20, 919,966,628.70 and 533,286,714.60 is: 801,490,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,116,692.20 : 919,966,628.70 = 533,286,714.60 : x
  2. Step 2: Convert to fraction form
    612,116,692.20/919,966,628.70 = 533,286,714.60/x
  3. Step 3: Cross multiply
    612,116,692.20x = 919,966,628.70 × 533,286,714.60
  4. Step 4: Simplify right side
    612,116,692.20x = 490,605,980,961,061,120
  5. Step 5: Solve for x
    x = 490,605,980,961,061,120/612,116,692.20
  6. Step 6: Final answer
    x = 801,490,936.63

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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.