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Finding the Fourth Proportional to 4,359,640,803.20, 6,539,461,204.80 and 4,359,640,803.20

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Solution

The fourth proportional to 4,359,640,803.20, 6,539,461,204.80 and 4,359,640,803.20 is: 6,539,461,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359,640,803.20 : 6,539,461,204.80 = 4,359,640,803.20 : x
  2. Step 2: Convert to fraction form
    4,359,640,803.20/6,539,461,204.80 = 4,359,640,803.20/x
  3. Step 3: Cross multiply
    4,359,640,803.20x = 6,539,461,204.80 × 4,359,640,803.20
  4. Step 4: Simplify right side
    4,359,640,803.20x = 28,509,701,899,389,509,632
  5. Step 5: Solve for x
    x = 28,509,701,899,389,509,632/4,359,640,803.20
  6. Step 6: Final answer
    x = 6,539,461,204.80

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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.