Home / 682,581,539.46-941,962,509.81-369,315,753.51

Finding the Fourth Proportional to 682,581,539.46, 941,962,509.81 and 369,315,753.51

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Solution

The fourth proportional to 682,581,539.46, 941,962,509.81 and 369,315,753.51 is: 509,655,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,581,539.46 : 941,962,509.81 = 369,315,753.51 : x
  2. Step 2: Convert to fraction form
    682,581,539.46/941,962,509.81 = 369,315,753.51/x
  3. Step 3: Cross multiply
    682,581,539.46x = 941,962,509.81 × 369,315,753.51
  4. Step 4: Simplify right side
    682,581,539.46x = 347,881,594,088,650,880
  5. Step 5: Solve for x
    x = 347,881,594,088,650,880/682,581,539.46
  6. Step 6: Final answer
    x = 509,655,731.92

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1.5x scale

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.