Home / 320,851,858,953.78-442,786,184,040.60-176,341,110,903.12

Finding the Fourth Proportional to 320,851,858,953.78, 442,786,184,040.60 and 176,341,110,903.12

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Solution

The fourth proportional to 320,851,858,953.78, 442,786,184,040.60 and 176,341,110,903.12 is: 243,356,569,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851,858,953.78 : 442,786,184,040.60 = 176,341,110,903.12 : x
  2. Step 2: Convert to fraction form
    320,851,858,953.78/442,786,184,040.60 = 176,341,110,903.12/x
  3. Step 3: Cross multiply
    320,851,858,953.78x = 442,786,184,040.60 × 176,341,110,903.12
  4. Step 4: Simplify right side
    320,851,858,953.78x = 78,081,407,586,272,733,560,832
  5. Step 5: Solve for x
    x = 78,081,407,586,272,733,560,832/320,851,858,953.78
  6. Step 6: Final answer
    x = 243,356,569,106.00

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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.