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Finding the Fourth Proportional to 477,373,066.38, 716,059,798.43 and 214,750,865.79

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Solution

The fourth proportional to 477,373,066.38, 716,059,798.43 and 214,750,865.79 is: 322,126,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,373,066.38 : 716,059,798.43 = 214,750,865.79 : x
  2. Step 2: Convert to fraction form
    477,373,066.38/716,059,798.43 = 214,750,865.79/x
  3. Step 3: Cross multiply
    477,373,066.38x = 716,059,798.43 × 214,750,865.79
  4. Step 4: Simplify right side
    477,373,066.38x = 153,774,461,669,181,600
  5. Step 5: Solve for x
    x = 153,774,461,669,181,600/477,373,066.38
  6. Step 6: Final answer
    x = 322,126,388.14

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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.