Home / 478,059,341.32-659,755,676.34-266,380,223.68

Finding the Fourth Proportional to 478,059,341.32, 659,755,676.34 and 266,380,223.68

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Solution

The fourth proportional to 478,059,341.32, 659,755,676.34 and 266,380,223.68 is: 367,623,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,059,341.32 : 659,755,676.34 = 266,380,223.68 : x
  2. Step 2: Convert to fraction form
    478,059,341.32/659,755,676.34 = 266,380,223.68/x
  3. Step 3: Cross multiply
    478,059,341.32x = 659,755,676.34 × 266,380,223.68
  4. Step 4: Simplify right side
    478,059,341.32x = 175,745,864,637,598,912
  5. Step 5: Solve for x
    x = 175,745,864,637,598,912/478,059,341.32
  6. Step 6: Final answer
    x = 367,623,534.25

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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.