Home / 300,944,148,857.92-415,209,429,749.28-170,711,539,785.28

Finding the Fourth Proportional to 300,944,148,857.92, 415,209,429,749.28 and 170,711,539,785.28

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Solution

The fourth proportional to 300,944,148,857.92, 415,209,429,749.28 and 170,711,539,785.28 is: 235,528,889,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,944,148,857.92 : 415,209,429,749.28 = 170,711,539,785.28 : x
  2. Step 2: Convert to fraction form
    300,944,148,857.92/415,209,429,749.28 = 170,711,539,785.28/x
  3. Step 3: Cross multiply
    300,944,148,857.92x = 415,209,429,749.28 × 170,711,539,785.28
  4. Step 4: Simplify right side
    300,944,148,857.92x = 70,881,041,085,867,642,322,944
  5. Step 5: Solve for x
    x = 70,881,041,085,867,642,322,944/300,944,148,857.92
  6. Step 6: Final answer
    x = 235,528,889,180.47

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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.