Home / 1,184,210,021.41-1,634,145,086.64-648,258,005.86

Finding the Fourth Proportional to 1,184,210,021.41, 1,634,145,086.64 and 648,258,005.86

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Solution

The fourth proportional to 1,184,210,021.41, 1,634,145,086.64 and 648,258,005.86 is: 894,560,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,210,021.41 : 1,634,145,086.64 = 648,258,005.86 : x
  2. Step 2: Convert to fraction form
    1,184,210,021.41/1,634,145,086.64 = 648,258,005.86/x
  3. Step 3: Cross multiply
    1,184,210,021.41x = 1,634,145,086.64 × 648,258,005.86
  4. Step 4: Simplify right side
    1,184,210,021.41x = 1,059,347,635,149,541,248
  5. Step 5: Solve for x
    x = 1,059,347,635,149,541,248/1,184,210,021.41
  6. Step 6: Final answer
    x = 894,560,606.65

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Double scale
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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.