Home / 605,217,374.20-907,826,061.30-398,593,113.40

Finding the Fourth Proportional to 605,217,374.20, 907,826,061.30 and 398,593,113.40

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Solution

The fourth proportional to 605,217,374.20, 907,826,061.30 and 398,593,113.40 is: 597,889,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,217,374.20 : 907,826,061.30 = 398,593,113.40 : x
  2. Step 2: Convert to fraction form
    605,217,374.20/907,826,061.30 = 398,593,113.40/x
  3. Step 3: Cross multiply
    605,217,374.20x = 907,826,061.30 × 398,593,113.40
  4. Step 4: Simplify right side
    605,217,374.20x = 361,853,216,199,226,240
  5. Step 5: Solve for x
    x = 361,853,216,199,226,240/605,217,374.20
  6. Step 6: Final answer
    x = 597,889,670.10

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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.