Home / 1,364,689,663.20-2,047,034,494.80-1,311,120,410.40

Finding the Fourth Proportional to 1,364,689,663.20, 2,047,034,494.80 and 1,311,120,410.40

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Solution

The fourth proportional to 1,364,689,663.20, 2,047,034,494.80 and 1,311,120,410.40 is: 1,966,680,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,689,663.20 : 2,047,034,494.80 = 1,311,120,410.40 : x
  2. Step 2: Convert to fraction form
    1,364,689,663.20/2,047,034,494.80 = 1,311,120,410.40/x
  3. Step 3: Cross multiply
    1,364,689,663.20x = 2,047,034,494.80 × 1,311,120,410.40
  4. Step 4: Simplify right side
    1,364,689,663.20x = 2,683,908,706,925,132,800
  5. Step 5: Solve for x
    x = 2,683,908,706,925,132,800/1,364,689,663.20
  6. Step 6: Final answer
    x = 1,966,680,615.60

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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.