Home / 869,968,403.70-1,304,952,605.55-836,525,382.90

Finding the Fourth Proportional to 869,968,403.70, 1,304,952,605.55 and 836,525,382.90

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Solution

The fourth proportional to 869,968,403.70, 1,304,952,605.55 and 836,525,382.90 is: 1,254,788,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,968,403.70 : 1,304,952,605.55 = 836,525,382.90 : x
  2. Step 2: Convert to fraction form
    869,968,403.70/1,304,952,605.55 = 836,525,382.90/x
  3. Step 3: Cross multiply
    869,968,403.70x = 1,304,952,605.55 × 836,525,382.90
  4. Step 4: Simplify right side
    869,968,403.70x = 1,091,625,978,024,066,304
  5. Step 5: Solve for x
    x = 1,091,625,978,024,066,304/869,968,403.70
  6. Step 6: Final answer
    x = 1,254,788,074.35

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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.