Home / 756,102,917.40-1,134,154,376.10-511,214,904.60

Finding the Fourth Proportional to 756,102,917.40, 1,134,154,376.10 and 511,214,904.60

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Solution

The fourth proportional to 756,102,917.40, 1,134,154,376.10 and 511,214,904.60 is: 766,822,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,102,917.40 : 1,134,154,376.10 = 511,214,904.60 : x
  2. Step 2: Convert to fraction form
    756,102,917.40/1,134,154,376.10 = 511,214,904.60/x
  3. Step 3: Cross multiply
    756,102,917.40x = 1,134,154,376.10 × 511,214,904.60
  4. Step 4: Simplify right side
    756,102,917.40x = 579,796,621,179,634,048
  5. Step 5: Solve for x
    x = 579,796,621,179,634,048/756,102,917.40
  6. Step 6: Final answer
    x = 766,822,356.90

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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.