Home / 1,370,814,021.10-2,056,221,031.65-1,311,103,672.30

Finding the Fourth Proportional to 1,370,814,021.10, 2,056,221,031.65 and 1,311,103,672.30

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Solution

The fourth proportional to 1,370,814,021.10, 2,056,221,031.65 and 1,311,103,672.30 is: 1,966,655,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,814,021.10 : 2,056,221,031.65 = 1,311,103,672.30 : x
  2. Step 2: Convert to fraction form
    1,370,814,021.10/2,056,221,031.65 = 1,311,103,672.30/x
  3. Step 3: Cross multiply
    1,370,814,021.10x = 2,056,221,031.65 × 1,311,103,672.30
  4. Step 4: Simplify right side
    1,370,814,021.10x = 2,695,918,945,656,809,472
  5. Step 5: Solve for x
    x = 2,695,918,945,656,809,472/1,370,814,021.10
  6. Step 6: Final answer
    x = 1,966,655,508.45

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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.