Home / 545,900,672.40-818,851,008.60-339,276,411.60

Finding the Fourth Proportional to 545,900,672.40, 818,851,008.60 and 339,276,411.60

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Solution

The fourth proportional to 545,900,672.40, 818,851,008.60 and 339,276,411.60 is: 508,914,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,900,672.40 : 818,851,008.60 = 339,276,411.60 : x
  2. Step 2: Convert to fraction form
    545,900,672.40/818,851,008.60 = 339,276,411.60/x
  3. Step 3: Cross multiply
    545,900,672.40x = 818,851,008.60 × 339,276,411.60
  4. Step 4: Simplify right side
    545,900,672.40x = 277,816,831,832,848,768
  5. Step 5: Solve for x
    x = 277,816,831,832,848,768/545,900,672.40
  6. Step 6: Final answer
    x = 508,914,617.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.