Home / 528,087,207.60-792,466,734.60-309,737,127.60

Finding the Fourth Proportional to 528,087,207.60, 792,466,734.60 and 309,737,127.60

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Solution

The fourth proportional to 528,087,207.60, 792,466,734.60 and 309,737,127.60 is: 464,802,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,087,207.60 : 792,466,734.60 = 309,737,127.60 : x
  2. Step 2: Convert to fraction form
    528,087,207.60/792,466,734.60 = 309,737,127.60/x
  3. Step 3: Cross multiply
    528,087,207.60x = 792,466,734.60 × 309,737,127.60
  4. Step 4: Simplify right side
    528,087,207.60x = 245,456,370,093,555,552
  5. Step 5: Solve for x
    x = 245,456,370,093,555,552/528,087,207.60
  6. Step 6: Final answer
    x = 464,802,719.25

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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.