Home / 1,539,648,719.70-2,309,473,079.55-1,509,037,718.10

Finding the Fourth Proportional to 1,539,648,719.70, 2,309,473,079.55 and 1,509,037,718.10

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Solution

The fourth proportional to 1,539,648,719.70, 2,309,473,079.55 and 1,509,037,718.10 is: 2,263,556,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,719.70 : 2,309,473,079.55 = 1,509,037,718.10 : x
  2. Step 2: Convert to fraction form
    1,539,648,719.70/2,309,473,079.55 = 1,509,037,718.10/x
  3. Step 3: Cross multiply
    1,539,648,719.70x = 2,309,473,079.55 × 1,509,037,718.10
  4. Step 4: Simplify right side
    1,539,648,719.70x = 3,485,081,985,977,511,936
  5. Step 5: Solve for x
    x = 3,485,081,985,977,511,936/1,539,648,719.70
  6. Step 6: Final answer
    x = 2,263,556,577.15

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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.