Home / 1,076,942,828.84-1,615,581,265.82-455,160,678.57

Finding the Fourth Proportional to 1,076,942,828.84, 1,615,581,265.82 and 455,160,678.57

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Solution

The fourth proportional to 1,076,942,828.84, 1,615,581,265.82 and 455,160,678.57 is: 682,811,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,942,828.84 : 1,615,581,265.82 = 455,160,678.57 : x
  2. Step 2: Convert to fraction form
    1,076,942,828.84/1,615,581,265.82 = 455,160,678.57/x
  3. Step 3: Cross multiply
    1,076,942,828.84x = 1,615,581,265.82 × 455,160,678.57
  4. Step 4: Simplify right side
    1,076,942,828.84x = 735,349,065,235,610,752
  5. Step 5: Solve for x
    x = 735,349,065,235,610,752/1,076,942,828.84
  6. Step 6: Final answer
    x = 682,811,608.51

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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.