Home / 1,112,255,390.60-1,669,138,913.10-620,967,710.60

Finding the Fourth Proportional to 1,112,255,390.60, 1,669,138,913.10 and 620,967,710.60

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Solution

The fourth proportional to 1,112,255,390.60, 1,669,138,913.10 and 620,967,710.60 is: 931,873,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,255,390.60 : 1,669,138,913.10 = 620,967,710.60 : x
  2. Step 2: Convert to fraction form
    1,112,255,390.60/1,669,138,913.10 = 620,967,710.60/x
  3. Step 3: Cross multiply
    1,112,255,390.60x = 1,669,138,913.10 × 620,967,710.60
  4. Step 4: Simplify right side
    1,112,255,390.60x = 1,036,481,369,541,079,296
  5. Step 5: Solve for x
    x = 1,036,481,369,541,079,296/1,112,255,390.60
  6. Step 6: Final answer
    x = 931,873,541.19

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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.