Home / 723,805,216.30-1,085,707,824.45-417,695,200.30

Finding the Fourth Proportional to 723,805,216.30, 1,085,707,824.45 and 417,695,200.30

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Solution

The fourth proportional to 723,805,216.30, 1,085,707,824.45 and 417,695,200.30 is: 626,542,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,805,216.30 : 1,085,707,824.45 = 417,695,200.30 : x
  2. Step 2: Convert to fraction form
    723,805,216.30/1,085,707,824.45 = 417,695,200.30/x
  3. Step 3: Cross multiply
    723,805,216.30x = 1,085,707,824.45 × 417,695,200.30
  4. Step 4: Simplify right side
    723,805,216.30x = 453,494,947,200,920,000
  5. Step 5: Solve for x
    x = 453,494,947,200,920,000/723,805,216.30
  6. Step 6: Final answer
    x = 626,542,800.45

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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.