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Finding the Fourth Proportional to 996,909,734.70, 1,495,364,602.05 and 670,392,384.30

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Solution

The fourth proportional to 996,909,734.70, 1,495,364,602.05 and 670,392,384.30 is: 1,005,588,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,909,734.70 : 1,495,364,602.05 = 670,392,384.30 : x
  2. Step 2: Convert to fraction form
    996,909,734.70/1,495,364,602.05 = 670,392,384.30/x
  3. Step 3: Cross multiply
    996,909,734.70x = 1,495,364,602.05 × 670,392,384.30
  4. Step 4: Simplify right side
    996,909,734.70x = 1,002,481,040,966,120,064
  5. Step 5: Solve for x
    x = 1,002,481,040,966,120,064/996,909,734.70
  6. Step 6: Final answer
    x = 1,005,588,576.45

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1.5x scale

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.