Home / 756,154,411.60-1,133,783,719.80-393,357,355.60

Finding the Fourth Proportional to 756,154,411.60, 1,133,783,719.80 and 393,357,355.60

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Solution

The fourth proportional to 756,154,411.60, 1,133,783,719.80 and 393,357,355.60 is: 589,803,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,154,411.60 : 1,133,783,719.80 = 393,357,355.60 : x
  2. Step 2: Convert to fraction form
    756,154,411.60/1,133,783,719.80 = 393,357,355.60/x
  3. Step 3: Cross multiply
    756,154,411.60x = 1,133,783,719.80 × 393,357,355.60
  4. Step 4: Simplify right side
    756,154,411.60x = 445,982,165,842,859,392
  5. Step 5: Solve for x
    x = 445,982,165,842,859,392/756,154,411.60
  6. Step 6: Final answer
    x = 589,803,033.61

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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.