Home / 427,798,922,709.60-641,698,384,064.40-229,439,632,341.60

Finding the Fourth Proportional to 427,798,922,709.60, 641,698,384,064.40 and 229,439,632,341.60

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Solution

The fourth proportional to 427,798,922,709.60, 641,698,384,064.40 and 229,439,632,341.60 is: 344,159,448,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,798,922,709.60 : 641,698,384,064.40 = 229,439,632,341.60 : x
  2. Step 2: Convert to fraction form
    427,798,922,709.60/641,698,384,064.40 = 229,439,632,341.60/x
  3. Step 3: Cross multiply
    427,798,922,709.60x = 641,698,384,064.40 × 229,439,632,341.60
  4. Step 4: Simplify right side
    427,798,922,709.60x = 147,231,041,313,934,780,923,904
  5. Step 5: Solve for x
    x = 147,231,041,313,934,780,923,904/427,798,922,709.60
  6. Step 6: Final answer
    x = 344,159,448,512.40

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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.