Home / 541,728,237.20-812,592,355.80-403,775,776.40

Finding the Fourth Proportional to 541,728,237.20, 812,592,355.80 and 403,775,776.40

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Solution

The fourth proportional to 541,728,237.20, 812,592,355.80 and 403,775,776.40 is: 605,663,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,728,237.20 : 812,592,355.80 = 403,775,776.40 : x
  2. Step 2: Convert to fraction form
    541,728,237.20/812,592,355.80 = 403,775,776.40/x
  3. Step 3: Cross multiply
    541,728,237.20x = 812,592,355.80 × 403,775,776.40
  4. Step 4: Simplify right side
    541,728,237.20x = 328,105,109,359,849,984
  5. Step 5: Solve for x
    x = 328,105,109,359,849,984/541,728,237.20
  6. Step 6: Final answer
    x = 605,663,664.60

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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.