Home / 2,585,386,512.86-3,878,624,496.78-838,453,033.67

Finding the Fourth Proportional to 2,585,386,512.86, 3,878,624,496.78 and 838,453,033.67

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Solution

The fourth proportional to 2,585,386,512.86, 3,878,624,496.78 and 838,453,033.67 is: 1,257,856,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,386,512.86 : 3,878,624,496.78 = 838,453,033.67 : x
  2. Step 2: Convert to fraction form
    2,585,386,512.86/3,878,624,496.78 = 838,453,033.67/x
  3. Step 3: Cross multiply
    2,585,386,512.86x = 3,878,624,496.78 × 838,453,033.67
  4. Step 4: Simplify right side
    2,585,386,512.86x = 3,252,044,475,772,575,232
  5. Step 5: Solve for x
    x = 3,252,044,475,772,575,232/2,585,386,512.86
  6. Step 6: Final answer
    x = 1,257,856,208.19

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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.