Home / 510,684,004.80-766,026,007.20-187,525,886.40

Finding the Fourth Proportional to 510,684,004.80, 766,026,007.20 and 187,525,886.40

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Solution

The fourth proportional to 510,684,004.80, 766,026,007.20 and 187,525,886.40 is: 281,288,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,684,004.80 : 766,026,007.20 = 187,525,886.40 : x
  2. Step 2: Convert to fraction form
    510,684,004.80/766,026,007.20 = 187,525,886.40/x
  3. Step 3: Cross multiply
    510,684,004.80x = 766,026,007.20 × 187,525,886.40
  4. Step 4: Simplify right side
    510,684,004.80x = 143,649,706,005,632,800
  5. Step 5: Solve for x
    x = 143,649,706,005,632,800/510,684,004.80
  6. Step 6: Final answer
    x = 281,288,829.60

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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.