Home / 896,937,986.80-1,345,406,980.20-810,844,544.80

Finding the Fourth Proportional to 896,937,986.80, 1,345,406,980.20 and 810,844,544.80

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Solution

The fourth proportional to 896,937,986.80, 1,345,406,980.20 and 810,844,544.80 is: 1,216,266,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,937,986.80 : 1,345,406,980.20 = 810,844,544.80 : x
  2. Step 2: Convert to fraction form
    896,937,986.80/1,345,406,980.20 = 810,844,544.80/x
  3. Step 3: Cross multiply
    896,937,986.80x = 1,345,406,980.20 × 810,844,544.80
  4. Step 4: Simplify right side
    896,937,986.80x = 1,090,915,910,431,011,584
  5. Step 5: Solve for x
    x = 1,090,915,910,431,011,584/896,937,986.80
  6. Step 6: Final answer
    x = 1,216,266,817.20

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Double scale
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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.