Home / 724,633,891,268.54-999,997,790,395.55-399,466,039,628.52

Finding the Fourth Proportional to 724,633,891,268.54, 999,997,790,395.55 and 399,466,039,628.52

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Solution

The fourth proportional to 724,633,891,268.54, 999,997,790,395.55 and 399,466,039,628.52 is: 551,264,799,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,633,891,268.54 : 999,997,790,395.55 = 399,466,039,628.52 : x
  2. Step 2: Convert to fraction form
    724,633,891,268.54/999,997,790,395.55 = 399,466,039,628.52/x
  3. Step 3: Cross multiply
    724,633,891,268.54x = 999,997,790,395.55 × 399,466,039,628.52
  4. Step 4: Simplify right side
    724,633,891,268.54x = 399,465,156,966,581,232,730,112
  5. Step 5: Solve for x
    x = 399,465,156,966,581,232,730,112/724,633,891,268.54
  6. Step 6: Final answer
    x = 551,264,799,756.03

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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.