Home / 634,060,849.50-875,011,066.05-351,808,400.97

Finding the Fourth Proportional to 634,060,849.50, 875,011,066.05 and 351,808,400.97

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Solution

The fourth proportional to 634,060,849.50, 875,011,066.05 and 351,808,400.97 is: 485,499,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,060,849.50 : 875,011,066.05 = 351,808,400.97 : x
  2. Step 2: Convert to fraction form
    634,060,849.50/875,011,066.05 = 351,808,400.97/x
  3. Step 3: Cross multiply
    634,060,849.50x = 875,011,066.05 × 351,808,400.97
  4. Step 4: Simplify right side
    634,060,849.50x = 307,836,243,978,105,536
  5. Step 5: Solve for x
    x = 307,836,243,978,105,536/634,060,849.50
  6. Step 6: Final answer
    x = 485,499,529.30

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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.