Home / 7,200,792,364.20-10,784,201,615.10-4,448,909,509.80

Finding the Fourth Proportional to 7,200,792,364.20, 10,784,201,615.10 and 4,448,909,509.80

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Solution

The fourth proportional to 7,200,792,364.20, 10,784,201,615.10 and 4,448,909,509.80 is: 6,662,869,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,792,364.20 : 10,784,201,615.10 = 4,448,909,509.80 : x
  2. Step 2: Convert to fraction form
    7,200,792,364.20/10,784,201,615.10 = 4,448,909,509.80/x
  3. Step 3: Cross multiply
    7,200,792,364.20x = 10,784,201,615.10 × 4,448,909,509.80
  4. Step 4: Simplify right side
    7,200,792,364.20x = 47,977,937,121,018,912,768
  5. Step 5: Solve for x
    x = 47,977,937,121,018,912,768/7,200,792,364.20
  6. Step 6: Final answer
    x = 6,662,869,125.29

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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.