Home / 1,341,908,305.20-2,012,862,457.80-359,486,472.60

Finding the Fourth Proportional to 1,341,908,305.20, 2,012,862,457.80 and 359,486,472.60

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Solution

The fourth proportional to 1,341,908,305.20, 2,012,862,457.80 and 359,486,472.60 is: 539,229,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,908,305.20 : 2,012,862,457.80 = 359,486,472.60 : x
  2. Step 2: Convert to fraction form
    1,341,908,305.20/2,012,862,457.80 = 359,486,472.60/x
  3. Step 3: Cross multiply
    1,341,908,305.20x = 2,012,862,457.80 × 359,486,472.60
  4. Step 4: Simplify right side
    1,341,908,305.20x = 723,596,824,783,488,384
  5. Step 5: Solve for x
    x = 723,596,824,783,488,384/1,341,908,305.20
  6. Step 6: Final answer
    x = 539,229,708.90

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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.