Home / 343,842,810.40-515,764,215.60-323,670,829.60

Finding the Fourth Proportional to 343,842,810.40, 515,764,215.60 and 323,670,829.60

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Solution

The fourth proportional to 343,842,810.40, 515,764,215.60 and 323,670,829.60 is: 485,506,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,842,810.40 : 515,764,215.60 = 323,670,829.60 : x
  2. Step 2: Convert to fraction form
    343,842,810.40/515,764,215.60 = 323,670,829.60/x
  3. Step 3: Cross multiply
    343,842,810.40x = 515,764,215.60 × 323,670,829.60
  4. Step 4: Simplify right side
    343,842,810.40x = 166,937,831,541,245,280
  5. Step 5: Solve for x
    x = 166,937,831,541,245,280/343,842,810.40
  6. Step 6: Final answer
    x = 485,506,244.40

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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.