Home / 812,156,267,686.95-1,120,802,527,952.90-446,363,436,683.66

Finding the Fourth Proportional to 812,156,267,686.95, 1,120,802,527,952.90 and 446,363,436,683.66

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Solution

The fourth proportional to 812,156,267,686.95, 1,120,802,527,952.90 and 446,363,436,683.66 is: 615,996,315,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,156,267,686.95 : 1,120,802,527,952.90 = 446,363,436,683.66 : x
  2. Step 2: Convert to fraction form
    812,156,267,686.95/1,120,802,527,952.90 = 446,363,436,683.66/x
  3. Step 3: Cross multiply
    812,156,267,686.95x = 1,120,802,527,952.90 × 446,363,436,683.66
  4. Step 4: Simplify right side
    812,156,267,686.95x = 500,285,268,220,790,265,872,384
  5. Step 5: Solve for x
    x = 500,285,268,220,790,265,872,384/812,156,267,686.95
  6. Step 6: Final answer
    x = 615,996,315,149.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.