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Finding the Fourth Proportional to 72,797,464,007.20, 102,054,043,752.80 and 72,797,464,007.20

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Solution

The fourth proportional to 72,797,464,007.20, 102,054,043,752.80 and 72,797,464,007.20 is: 102,054,043,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,797,464,007.20 : 102,054,043,752.80 = 72,797,464,007.20 : x
  2. Step 2: Convert to fraction form
    72,797,464,007.20/102,054,043,752.80 = 72,797,464,007.20/x
  3. Step 3: Cross multiply
    72,797,464,007.20x = 102,054,043,752.80 × 72,797,464,007.20
  4. Step 4: Simplify right side
    72,797,464,007.20x = 7,429,275,576,883,671,465,984
  5. Step 5: Solve for x
    x = 7,429,275,576,883,671,465,984/72,797,464,007.20
  6. Step 6: Final answer
    x = 102,054,043,752.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.