Home / 853,352,325.04-1,280,019,156.36-207,120,069.04

Finding the Fourth Proportional to 853,352,325.04, 1,280,019,156.36 and 207,120,069.04

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Solution

The fourth proportional to 853,352,325.04, 1,280,019,156.36 and 207,120,069.04 is: 310,677,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,352,325.04 : 1,280,019,156.36 = 207,120,069.04 : x
  2. Step 2: Convert to fraction form
    853,352,325.04/1,280,019,156.36 = 207,120,069.04/x
  3. Step 3: Cross multiply
    853,352,325.04x = 1,280,019,156.36 × 207,120,069.04
  4. Step 4: Simplify right side
    853,352,325.04x = 265,117,656,037,805,728
  5. Step 5: Solve for x
    x = 265,117,656,037,805,728/853,352,325.04
  6. Step 6: Final answer
    x = 310,677,838.75

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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.