Home / 1,178,624,126.28-1,767,449,773.28-402,332,314.35

Finding the Fourth Proportional to 1,178,624,126.28, 1,767,449,773.28 and 402,332,314.35

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Solution

The fourth proportional to 1,178,624,126.28, 1,767,449,773.28 and 402,332,314.35 is: 603,332,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,624,126.28 : 1,767,449,773.28 = 402,332,314.35 : x
  2. Step 2: Convert to fraction form
    1,178,624,126.28/1,767,449,773.28 = 402,332,314.35/x
  3. Step 3: Cross multiply
    1,178,624,126.28x = 1,767,449,773.28 × 402,332,314.35
  4. Step 4: Simplify right side
    1,178,624,126.28x = 711,102,157,782,131,072
  5. Step 5: Solve for x
    x = 711,102,157,782,131,072/1,178,624,126.28
  6. Step 6: Final answer
    x = 603,332,429.68

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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.