Home / 189,041,268,636.77-260,877,736,708.42-102,233,838,358.91

Finding the Fourth Proportional to 189,041,268,636.77, 260,877,736,708.42 and 102,233,838,358.91

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Solution

The fourth proportional to 189,041,268,636.77, 260,877,736,708.42 and 102,233,838,358.91 is: 141,083,121,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,041,268,636.77 : 260,877,736,708.42 = 102,233,838,358.91 : x
  2. Step 2: Convert to fraction form
    189,041,268,636.77/260,877,736,708.42 = 102,233,838,358.91/x
  3. Step 3: Cross multiply
    189,041,268,636.77x = 260,877,736,708.42 × 102,233,838,358.91
  4. Step 4: Simplify right side
    189,041,268,636.77x = 26,670,532,366,086,893,993,984
  5. Step 5: Solve for x
    x = 26,670,532,366,086,893,993,984/189,041,268,636.77
  6. Step 6: Final answer
    x = 141,083,121,999.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.