Home / 776,669,097.46-1,071,803,313.50-419,436,839.72

Finding the Fourth Proportional to 776,669,097.46, 1,071,803,313.50 and 419,436,839.72

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Solution

The fourth proportional to 776,669,097.46, 1,071,803,313.50 and 419,436,839.72 is: 578,822,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,669,097.46 : 1,071,803,313.50 = 419,436,839.72 : x
  2. Step 2: Convert to fraction form
    776,669,097.46/1,071,803,313.50 = 419,436,839.72/x
  3. Step 3: Cross multiply
    776,669,097.46x = 1,071,803,313.50 × 419,436,839.72
  4. Step 4: Simplify right side
    776,669,097.46x = 449,553,794,615,864,448
  5. Step 5: Solve for x
    x = 449,553,794,615,864,448/776,669,097.46
  6. Step 6: Final answer
    x = 578,822,816.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.