Home / 513,804,862.17-770,534,558.19-186,211,802.88

Finding the Fourth Proportional to 513,804,862.17, 770,534,558.19 and 186,211,802.88

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Solution

The fourth proportional to 513,804,862.17, 770,534,558.19 and 186,211,802.88 is: 279,255,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,804,862.17 : 770,534,558.19 = 186,211,802.88 : x
  2. Step 2: Convert to fraction form
    513,804,862.17/770,534,558.19 = 186,211,802.88/x
  3. Step 3: Cross multiply
    513,804,862.17x = 770,534,558.19 × 186,211,802.88
  4. Step 4: Simplify right side
    513,804,862.17x = 143,482,629,261,904,176
  5. Step 5: Solve for x
    x = 143,482,629,261,904,176/513,804,862.17
  6. Step 6: Final answer
    x = 279,255,102.13

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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.