Home / 541,728,587.20-812,592,880.80-403,776,126.40

Finding the Fourth Proportional to 541,728,587.20, 812,592,880.80 and 403,776,126.40

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Solution

The fourth proportional to 541,728,587.20, 812,592,880.80 and 403,776,126.40 is: 605,664,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,728,587.20 : 812,592,880.80 = 403,776,126.40 : x
  2. Step 2: Convert to fraction form
    541,728,587.20/812,592,880.80 = 403,776,126.40/x
  3. Step 3: Cross multiply
    541,728,587.20x = 812,592,880.80 × 403,776,126.40
  4. Step 4: Simplify right side
    541,728,587.20x = 328,105,605,749,640,896
  5. Step 5: Solve for x
    x = 328,105,605,749,640,896/541,728,587.20
  6. Step 6: Final answer
    x = 605,664,189.60

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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.