Home / 978,656,486.10-1,467,984,729.15-332,424,230.10

Finding the Fourth Proportional to 978,656,486.10, 1,467,984,729.15 and 332,424,230.10

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Solution

The fourth proportional to 978,656,486.10, 1,467,984,729.15 and 332,424,230.10 is: 498,636,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,656,486.10 : 1,467,984,729.15 = 332,424,230.10 : x
  2. Step 2: Convert to fraction form
    978,656,486.10/1,467,984,729.15 = 332,424,230.10/x
  3. Step 3: Cross multiply
    978,656,486.10x = 1,467,984,729.15 × 332,424,230.10
  4. Step 4: Simplify right side
    978,656,486.10x = 487,993,693,386,245,824
  5. Step 5: Solve for x
    x = 487,993,693,386,245,824/978,656,486.10
  6. Step 6: Final answer
    x = 498,636,345.15

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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.