Home / 525,745,432.80-788,543,499.60-180,714,981.60

Finding the Fourth Proportional to 525,745,432.80, 788,543,499.60 and 180,714,981.60

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Solution

The fourth proportional to 525,745,432.80, 788,543,499.60 and 180,714,981.60 is: 271,046,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,745,432.80 : 788,543,499.60 = 180,714,981.60 : x
  2. Step 2: Convert to fraction form
    525,745,432.80/788,543,499.60 = 180,714,981.60/x
  3. Step 3: Cross multiply
    525,745,432.80x = 788,543,499.60 × 180,714,981.60
  4. Step 4: Simplify right side
    525,745,432.80x = 142,501,624,021,013,600
  5. Step 5: Solve for x
    x = 142,501,624,021,013,600/525,745,432.80
  6. Step 6: Final answer
    x = 271,046,813.02

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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.