Home / 766,476,187.20-1,149,714,280.80-758,414,030.40

Finding the Fourth Proportional to 766,476,187.20, 1,149,714,280.80 and 758,414,030.40

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Solution

The fourth proportional to 766,476,187.20, 1,149,714,280.80 and 758,414,030.40 is: 1,137,621,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,476,187.20 : 1,149,714,280.80 = 758,414,030.40 : x
  2. Step 2: Convert to fraction form
    766,476,187.20/1,149,714,280.80 = 758,414,030.40/x
  3. Step 3: Cross multiply
    766,476,187.20x = 1,149,714,280.80 × 758,414,030.40
  4. Step 4: Simplify right side
    766,476,187.20x = 871,959,441,509,965,312
  5. Step 5: Solve for x
    x = 871,959,441,509,965,312/766,476,187.20
  6. Step 6: Final answer
    x = 1,137,621,045.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.