Home / 1,329,696,005.40-1,994,544,008.10-1,311,556,152.60

Finding the Fourth Proportional to 1,329,696,005.40, 1,994,544,008.10 and 1,311,556,152.60

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Solution

The fourth proportional to 1,329,696,005.40, 1,994,544,008.10 and 1,311,556,152.60 is: 1,967,334,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,005.40 : 1,994,544,008.10 = 1,311,556,152.60 : x
  2. Step 2: Convert to fraction form
    1,329,696,005.40/1,994,544,008.10 = 1,311,556,152.60/x
  3. Step 3: Cross multiply
    1,329,696,005.40x = 1,994,544,008.10 × 1,311,556,152.60
  4. Step 4: Simplify right side
    1,329,696,005.40x = 2,615,956,465,455,019,008
  5. Step 5: Solve for x
    x = 2,615,956,465,455,019,008/1,329,696,005.40
  6. Step 6: Final answer
    x = 1,967,334,228.90

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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.