Home / 548,428,327.40-756,831,009.66-313,484,032.46

Finding the Fourth Proportional to 548,428,327.40, 756,831,009.66 and 313,484,032.46

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Solution

The fourth proportional to 548,428,327.40, 756,831,009.66 and 313,484,032.46 is: 432,607,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,428,327.40 : 756,831,009.66 = 313,484,032.46 : x
  2. Step 2: Convert to fraction form
    548,428,327.40/756,831,009.66 = 313,484,032.46/x
  3. Step 3: Cross multiply
    548,428,327.40x = 756,831,009.66 × 313,484,032.46
  4. Step 4: Simplify right side
    548,428,327.40x = 237,254,436,798,989,984
  5. Step 5: Solve for x
    x = 237,254,436,798,989,984/548,428,327.40
  6. Step 6: Final answer
    x = 432,607,917.84

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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.