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Finding the Fourth Proportional to 474,996,998.40, 712,495,497.60 and 474,996,998.40

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Solution

The fourth proportional to 474,996,998.40, 712,495,497.60 and 474,996,998.40 is: 712,495,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,996,998.40 : 712,495,497.60 = 474,996,998.40 : x
  2. Step 2: Convert to fraction form
    474,996,998.40/712,495,497.60 = 474,996,998.40/x
  3. Step 3: Cross multiply
    474,996,998.40x = 712,495,497.60 × 474,996,998.40
  4. Step 4: Simplify right side
    474,996,998.40x = 338,433,222,733,514,368
  5. Step 5: Solve for x
    x = 338,433,222,733,514,368/474,996,998.40
  6. Step 6: Final answer
    x = 712,495,497.60

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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.