Home / 732,803,920.20-1,099,205,880.30-388,430,152.20

Finding the Fourth Proportional to 732,803,920.20, 1,099,205,880.30 and 388,430,152.20

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Solution

The fourth proportional to 732,803,920.20, 1,099,205,880.30 and 388,430,152.20 is: 582,645,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,803,920.20 : 1,099,205,880.30 = 388,430,152.20 : x
  2. Step 2: Convert to fraction form
    732,803,920.20/1,099,205,880.30 = 388,430,152.20/x
  3. Step 3: Cross multiply
    732,803,920.20x = 1,099,205,880.30 × 388,430,152.20
  4. Step 4: Simplify right side
    732,803,920.20x = 426,964,707,384,063,936
  5. Step 5: Solve for x
    x = 426,964,707,384,063,936/732,803,920.20
  6. Step 6: Final answer
    x = 582,645,228.30

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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.