Home / 1,178,224,052.28-1,767,594,729.24-349,241,636.70

Finding the Fourth Proportional to 1,178,224,052.28, 1,767,594,729.24 and 349,241,636.70

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Solution

The fourth proportional to 1,178,224,052.28, 1,767,594,729.24 and 349,241,636.70 is: 523,939,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,224,052.28 : 1,767,594,729.24 = 349,241,636.70 : x
  2. Step 2: Convert to fraction form
    1,178,224,052.28/1,767,594,729.24 = 349,241,636.70/x
  3. Step 3: Cross multiply
    1,178,224,052.28x = 1,767,594,729.24 × 349,241,636.70
  4. Step 4: Simplify right side
    1,178,224,052.28x = 617,317,676,262,070,912
  5. Step 5: Solve for x
    x = 617,317,676,262,070,912/1,178,224,052.28
  6. Step 6: Final answer
    x = 523,939,122.67

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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.