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Finding the Fourth Proportional to 76,672,973,407.60, 115,009,460,111.40 and 76,672,973,407.60

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Solution

The fourth proportional to 76,672,973,407.60, 115,009,460,111.40 and 76,672,973,407.60 is: 115,009,460,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672,973,407.60 : 115,009,460,111.40 = 76,672,973,407.60 : x
  2. Step 2: Convert to fraction form
    76,672,973,407.60/115,009,460,111.40 = 76,672,973,407.60/x
  3. Step 3: Cross multiply
    76,672,973,407.60x = 115,009,460,111.40 × 76,672,973,407.60
  4. Step 4: Simplify right side
    76,672,973,407.60x = 8,818,117,276,743,804,911,616
  5. Step 5: Solve for x
    x = 8,818,117,276,743,804,911,616/76,672,973,407.60
  6. Step 6: Final answer
    x = 115,009,460,111.40

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Double scale
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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.