Home / 608,736,420-912,912,822-199,697,254.56

Finding the Fourth Proportional to 608,736,420, 912,912,822 and 199,697,254.56

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Solution

The fourth proportional to 608,736,420, 912,912,822 and 199,697,254.56 is: 299,482,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736,420 : 912,912,822 = 199,697,254.56 : x
  2. Step 2: Convert to fraction form
    608,736,420/912,912,822 = 199,697,254.56/x
  3. Step 3: Cross multiply
    608,736,420x = 912,912,822 × 199,697,254.56
  4. Step 4: Simplify right side
    608,736,420x = 182,306,184,206,021,984
  5. Step 5: Solve for x
    x = 182,306,184,206,021,984/608,736,420
  6. Step 6: Final answer
    x = 299,482,958.82

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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.