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Finding the Fourth Proportional to 916,775,232.40, 1,375,162,848.60 and 916,775,232.40

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Solution

The fourth proportional to 916,775,232.40, 1,375,162,848.60 and 916,775,232.40 is: 1,375,162,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,775,232.40 : 1,375,162,848.60 = 916,775,232.40 : x
  2. Step 2: Convert to fraction form
    916,775,232.40/1,375,162,848.60 = 916,775,232.40/x
  3. Step 3: Cross multiply
    916,775,232.40x = 1,375,162,848.60 × 916,775,232.40
  4. Step 4: Simplify right side
    916,775,232.40x = 1,260,715,240,113,110,784
  5. Step 5: Solve for x
    x = 1,260,715,240,113,110,784/916,775,232.40
  6. Step 6: Final answer
    x = 1,375,162,848.60

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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.