Home / 752,970,588.02-1,039,124,642.60-418,457,208.41

Finding the Fourth Proportional to 752,970,588.02, 1,039,124,642.60 and 418,457,208.41

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Solution

The fourth proportional to 752,970,588.02, 1,039,124,642.60 and 418,457,208.41 is: 577,484,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,588.02 : 1,039,124,642.60 = 418,457,208.41 : x
  2. Step 2: Convert to fraction form
    752,970,588.02/1,039,124,642.60 = 418,457,208.41/x
  3. Step 3: Cross multiply
    752,970,588.02x = 1,039,124,642.60 × 418,457,208.41
  4. Step 4: Simplify right side
    752,970,588.02x = 434,829,197,130,342,720
  5. Step 5: Solve for x
    x = 434,829,197,130,342,720/752,970,588.02
  6. Step 6: Final answer
    x = 577,484,969.60

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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.