Home / 623,756,999.80-934,627,730.10-393,313,684.60

Finding the Fourth Proportional to 623,756,999.80, 934,627,730.10 and 393,313,684.60

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Solution

The fourth proportional to 623,756,999.80, 934,627,730.10 and 393,313,684.60 is: 589,335,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,756,999.80 : 934,627,730.10 = 393,313,684.60 : x
  2. Step 2: Convert to fraction form
    623,756,999.80/934,627,730.10 = 393,313,684.60/x
  3. Step 3: Cross multiply
    623,756,999.80x = 934,627,730.10 × 393,313,684.60
  4. Step 4: Simplify right side
    623,756,999.80x = 367,601,876,254,965,376
  5. Step 5: Solve for x
    x = 367,601,876,254,965,376/623,756,999.80
  6. Step 6: Final answer
    x = 589,335,071.79

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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.