Home / 1,185,980,146.80-1,781,010,953.64-1,134,961,810.80

Finding the Fourth Proportional to 1,185,980,146.80, 1,781,010,953.64 and 1,134,961,810.80

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Solution

The fourth proportional to 1,185,980,146.80, 1,781,010,953.64 and 1,134,961,810.80 is: 1,704,395,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,980,146.80 : 1,781,010,953.64 = 1,134,961,810.80 : x
  2. Step 2: Convert to fraction form
    1,185,980,146.80/1,781,010,953.64 = 1,134,961,810.80/x
  3. Step 3: Cross multiply
    1,185,980,146.80x = 1,781,010,953.64 × 1,134,961,810.80
  4. Step 4: Simplify right side
    1,185,980,146.80x = 2,021,379,416,997,889,280
  5. Step 5: Solve for x
    x = 2,021,379,416,997,889,280/1,185,980,146.80
  6. Step 6: Final answer
    x = 1,704,395,661.64

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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.