Home / 746,472,312.12-1,120,208,344.02-309,773,416.13

Finding the Fourth Proportional to 746,472,312.12, 1,120,208,344.02 and 309,773,416.13

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Solution

The fourth proportional to 746,472,312.12, 1,120,208,344.02 and 309,773,416.13 is: 464,867,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,472,312.12 : 1,120,208,344.02 = 309,773,416.13 : x
  2. Step 2: Convert to fraction form
    746,472,312.12/1,120,208,344.02 = 309,773,416.13/x
  3. Step 3: Cross multiply
    746,472,312.12x = 1,120,208,344.02 × 309,773,416.13
  4. Step 4: Simplify right side
    746,472,312.12x = 347,010,765,498,804,608
  5. Step 5: Solve for x
    x = 347,010,765,498,804,608/746,472,312.12
  6. Step 6: Final answer
    x = 464,867,564.23

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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.