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Finding the Fourth Proportional to 86,749,709,062.80, 130,124,563,594.20 and 86,749,709,062.80

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Solution

The fourth proportional to 86,749,709,062.80, 130,124,563,594.20 and 86,749,709,062.80 is: 130,124,563,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749,709,062.80 : 130,124,563,594.20 = 86,749,709,062.80 : x
  2. Step 2: Convert to fraction form
    86,749,709,062.80/130,124,563,594.20 = 86,749,709,062.80/x
  3. Step 3: Cross multiply
    86,749,709,062.80x = 130,124,563,594.20 × 86,749,709,062.80
  4. Step 4: Simplify right side
    86,749,709,062.80x = 11,288,268,033,720,666,030,080
  5. Step 5: Solve for x
    x = 11,288,268,033,720,666,030,080/86,749,709,062.80
  6. Step 6: Final answer
    x = 130,124,563,594.20

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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.