Home / 646,813,234.60-970,219,851.90-493,758,226.60

Finding the Fourth Proportional to 646,813,234.60, 970,219,851.90 and 493,758,226.60

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Solution

The fourth proportional to 646,813,234.60, 970,219,851.90 and 493,758,226.60 is: 740,637,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,813,234.60 : 970,219,851.90 = 493,758,226.60 : x
  2. Step 2: Convert to fraction form
    646,813,234.60/970,219,851.90 = 493,758,226.60/x
  3. Step 3: Cross multiply
    646,813,234.60x = 970,219,851.90 × 493,758,226.60
  4. Step 4: Simplify right side
    646,813,234.60x = 479,054,033,486,258,624
  5. Step 5: Solve for x
    x = 479,054,033,486,258,624/646,813,234.60
  6. Step 6: Final answer
    x = 740,637,339.90

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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.