Home / 1,139,515,714.80-1,709,273,572.20-1,127,422,479.60

Finding the Fourth Proportional to 1,139,515,714.80, 1,709,273,572.20 and 1,127,422,479.60

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Solution

The fourth proportional to 1,139,515,714.80, 1,709,273,572.20 and 1,127,422,479.60 is: 1,691,133,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,515,714.80 : 1,709,273,572.20 = 1,127,422,479.60 : x
  2. Step 2: Convert to fraction form
    1,139,515,714.80/1,709,273,572.20 = 1,127,422,479.60/x
  3. Step 3: Cross multiply
    1,139,515,714.80x = 1,709,273,572.20 × 1,127,422,479.60
  4. Step 4: Simplify right side
    1,139,515,714.80x = 1,927,073,449,084,473,600
  5. Step 5: Solve for x
    x = 1,927,073,449,084,473,600/1,139,515,714.80
  6. Step 6: Final answer
    x = 1,691,133,719.40

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1.5x scale

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.