Home / 861,927,735,728.10-1,292,892,847,921.20-351,986,502,813.11

Finding the Fourth Proportional to 861,927,735,728.10, 1,292,892,847,921.20 and 351,986,502,813.11

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Solution

The fourth proportional to 861,927,735,728.10, 1,292,892,847,921.20 and 351,986,502,813.11 is: 527,980,262,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,927,735,728.10 : 1,292,892,847,921.20 = 351,986,502,813.11 : x
  2. Step 2: Convert to fraction form
    861,927,735,728.10/1,292,892,847,921.20 = 351,986,502,813.11/x
  3. Step 3: Cross multiply
    861,927,735,728.10x = 1,292,892,847,921.20 × 351,986,502,813.11
  4. Step 4: Simplify right side
    861,927,735,728.10x = 455,080,832,051,865,240,731,648
  5. Step 5: Solve for x
    x = 455,080,832,051,865,240,731,648/861,927,735,728.10
  6. Step 6: Final answer
    x = 527,980,262,367.87

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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.