Home / 812,156,267,703.10-1,120,802,527,975.40-446,363,436,699.92

Finding the Fourth Proportional to 812,156,267,703.10, 1,120,802,527,975.40 and 446,363,436,699.92

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Solution

The fourth proportional to 812,156,267,703.10, 1,120,802,527,975.40 and 446,363,436,699.92 is: 615,996,315,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,156,267,703.10 : 1,120,802,527,975.40 = 446,363,436,699.92 : x
  2. Step 2: Convert to fraction form
    812,156,267,703.10/1,120,802,527,975.40 = 446,363,436,699.92/x
  3. Step 3: Cross multiply
    812,156,267,703.10x = 1,120,802,527,975.40 × 446,363,436,699.92
  4. Step 4: Simplify right side
    812,156,267,703.10x = 500,285,268,249,057,727,348,736
  5. Step 5: Solve for x
    x = 500,285,268,249,057,727,348,736/812,156,267,703.10
  6. Step 6: Final answer
    x = 615,996,315,172.13

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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.