Home / 812,156,267,688.25-1,120,802,527,954.90-446,363,436,685.05

Finding the Fourth Proportional to 812,156,267,688.25, 1,120,802,527,954.90 and 446,363,436,685.05

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Solution

The fourth proportional to 812,156,267,688.25, 1,120,802,527,954.90 and 446,363,436,685.05 is: 615,996,315,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,156,267,688.25 : 1,120,802,527,954.90 = 446,363,436,685.05 : x
  2. Step 2: Convert to fraction form
    812,156,267,688.25/1,120,802,527,954.90 = 446,363,436,685.05/x
  3. Step 3: Cross multiply
    812,156,267,688.25x = 1,120,802,527,954.90 × 446,363,436,685.05
  4. Step 4: Simplify right side
    812,156,267,688.25x = 500,285,268,223,240,947,367,936
  5. Step 5: Solve for x
    x = 500,285,268,223,240,947,367,936/812,156,267,688.25
  6. Step 6: Final answer
    x = 615,996,315,151.60

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Double scale
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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.