Home / 830,508,767.40-1,245,603,718.80-248,262,007.80

Finding the Fourth Proportional to 830,508,767.40, 1,245,603,718.80 and 248,262,007.80

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Solution

The fourth proportional to 830,508,767.40, 1,245,603,718.80 and 248,262,007.80 is: 372,345,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,508,767.40 : 1,245,603,718.80 = 248,262,007.80 : x
  2. Step 2: Convert to fraction form
    830,508,767.40/1,245,603,718.80 = 248,262,007.80/x
  3. Step 3: Cross multiply
    830,508,767.40x = 1,245,603,718.80 × 248,262,007.80
  4. Step 4: Simplify right side
    830,508,767.40x = 309,236,080,152,434,624
  5. Step 5: Solve for x
    x = 309,236,080,152,434,624/830,508,767.40
  6. Step 6: Final answer
    x = 372,345,352.98

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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.