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Finding the Fourth Proportional to 314,448,347,816.40, 471,672,521,724.60 and 314,448,347,816.40

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Solution

The fourth proportional to 314,448,347,816.40, 471,672,521,724.60 and 314,448,347,816.40 is: 471,672,521,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,448,347,816.40 : 471,672,521,724.60 = 314,448,347,816.40 : x
  2. Step 2: Convert to fraction form
    314,448,347,816.40/471,672,521,724.60 = 314,448,347,816.40/x
  3. Step 3: Cross multiply
    314,448,347,816.40x = 471,672,521,724.60 × 314,448,347,816.40
  4. Step 4: Simplify right side
    314,448,347,816.40x = 148,316,645,166,695,514,636,288
  5. Step 5: Solve for x
    x = 148,316,645,166,695,514,636,288/314,448,347,816.40
  6. Step 6: Final answer
    x = 471,672,521,724.60

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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.