Home / 690,581,771.10-1,035,857,700.54-192,578,998.32

Finding the Fourth Proportional to 690,581,771.10, 1,035,857,700.54 and 192,578,998.32

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Solution

The fourth proportional to 690,581,771.10, 1,035,857,700.54 and 192,578,998.32 is: 288,864,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,581,771.10 : 1,035,857,700.54 = 192,578,998.32 : x
  2. Step 2: Convert to fraction form
    690,581,771.10/1,035,857,700.54 = 192,578,998.32/x
  3. Step 3: Cross multiply
    690,581,771.10x = 1,035,857,700.54 × 192,578,998.32
  4. Step 4: Simplify right side
    690,581,771.10x = 199,484,438,372,051,712
  5. Step 5: Solve for x
    x = 199,484,438,372,051,712/690,581,771.10
  6. Step 6: Final answer
    x = 288,864,326.75

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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.