Home / 483,435,387.20-725,153,080.80-417,678,420.80

Finding the Fourth Proportional to 483,435,387.20, 725,153,080.80 and 417,678,420.80

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Solution

The fourth proportional to 483,435,387.20, 725,153,080.80 and 417,678,420.80 is: 626,517,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,435,387.20 : 725,153,080.80 = 417,678,420.80 : x
  2. Step 2: Convert to fraction form
    483,435,387.20/725,153,080.80 = 417,678,420.80/x
  3. Step 3: Cross multiply
    483,435,387.20x = 725,153,080.80 × 417,678,420.80
  4. Step 4: Simplify right side
    483,435,387.20x = 302,880,793,626,798,784
  5. Step 5: Solve for x
    x = 302,880,793,626,798,784/483,435,387.20
  6. Step 6: Final answer
    x = 626,517,631.20

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1.5x scale

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.