Home / 411,194,541.60-616,791,812.40-393,054,688.80

Finding the Fourth Proportional to 411,194,541.60, 616,791,812.40 and 393,054,688.80

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Solution

The fourth proportional to 411,194,541.60, 616,791,812.40 and 393,054,688.80 is: 589,582,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,194,541.60 : 616,791,812.40 = 393,054,688.80 : x
  2. Step 2: Convert to fraction form
    411,194,541.60/616,791,812.40 = 393,054,688.80/x
  3. Step 3: Cross multiply
    411,194,541.60x = 616,791,812.40 × 393,054,688.80
  4. Step 4: Simplify right side
    411,194,541.60x = 242,432,913,877,269,984
  5. Step 5: Solve for x
    x = 242,432,913,877,269,984/411,194,541.60
  6. Step 6: Final answer
    x = 589,582,033.20

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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.