Home / 1,404,939,579.30-1,938,815,104.80-769,875,556.32

Finding the Fourth Proportional to 1,404,939,579.30, 1,938,815,104.80 and 769,875,556.32

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Solution

The fourth proportional to 1,404,939,579.30, 1,938,815,104.80 and 769,875,556.32 is: 1,062,427,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,939,579.30 : 1,938,815,104.80 = 769,875,556.32 : x
  2. Step 2: Convert to fraction form
    1,404,939,579.30/1,938,815,104.80 = 769,875,556.32/x
  3. Step 3: Cross multiply
    1,404,939,579.30x = 1,938,815,104.80 × 769,875,556.32
  4. Step 4: Simplify right side
    1,404,939,579.30x = 1,492,646,357,409,519,104
  5. Step 5: Solve for x
    x = 1,492,646,357,409,519,104/1,404,939,579.30
  6. Step 6: Final answer
    x = 1,062,427,437.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.