Home / 545,799,768.30-818,805,940.65-157,635,261.90

Finding the Fourth Proportional to 545,799,768.30, 818,805,940.65 and 157,635,261.90

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Solution

The fourth proportional to 545,799,768.30, 818,805,940.65 and 157,635,261.90 is: 236,483,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,799,768.30 : 818,805,940.65 = 157,635,261.90 : x
  2. Step 2: Convert to fraction form
    545,799,768.30/818,805,940.65 = 157,635,261.90/x
  3. Step 3: Cross multiply
    545,799,768.30x = 818,805,940.65 × 157,635,261.90
  4. Step 4: Simplify right side
    545,799,768.30x = 129,072,688,899,638,608
  5. Step 5: Solve for x
    x = 129,072,688,899,638,608/545,799,768.30
  6. Step 6: Final answer
    x = 236,483,590.50

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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.