Home / 478,059,340.32-659,755,674.96-266,380,222.68

Finding the Fourth Proportional to 478,059,340.32, 659,755,674.96 and 266,380,222.68

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Solution

The fourth proportional to 478,059,340.32, 659,755,674.96 and 266,380,222.68 is: 367,623,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,059,340.32 : 659,755,674.96 = 266,380,222.68 : x
  2. Step 2: Convert to fraction form
    478,059,340.32/659,755,674.96 = 266,380,222.68/x
  3. Step 3: Cross multiply
    478,059,340.32x = 659,755,674.96 × 266,380,222.68
  4. Step 4: Simplify right side
    478,059,340.32x = 175,745,863,610,238,528
  5. Step 5: Solve for x
    x = 175,745,863,610,238,528/478,059,340.32
  6. Step 6: Final answer
    x = 367,623,532.87

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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.