Home / 820,349,233.13-1,230,525,741.34-472,866,348.44

Finding the Fourth Proportional to 820,349,233.13, 1,230,525,741.34 and 472,866,348.44

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Solution

The fourth proportional to 820,349,233.13, 1,230,525,741.34 and 472,866,348.44 is: 709,300,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,349,233.13 : 1,230,525,741.34 = 472,866,348.44 : x
  2. Step 2: Convert to fraction form
    820,349,233.13/1,230,525,741.34 = 472,866,348.44/x
  3. Step 3: Cross multiply
    820,349,233.13x = 1,230,525,741.34 × 472,866,348.44
  4. Step 4: Simplify right side
    820,349,233.13x = 581,874,213,962,937,472
  5. Step 5: Solve for x
    x = 581,874,213,962,937,472/820,349,233.13
  6. Step 6: Final answer
    x = 709,300,613.04

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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.