Home / 545,962,638.40-818,943,957.60-177,496,878.40

Finding the Fourth Proportional to 545,962,638.40, 818,943,957.60 and 177,496,878.40

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Solution

The fourth proportional to 545,962,638.40, 818,943,957.60 and 177,496,878.40 is: 266,245,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,962,638.40 : 818,943,957.60 = 177,496,878.40 : x
  2. Step 2: Convert to fraction form
    545,962,638.40/818,943,957.60 = 177,496,878.40/x
  3. Step 3: Cross multiply
    545,962,638.40x = 818,943,957.60 × 177,496,878.40
  4. Step 4: Simplify right side
    545,962,638.40x = 145,359,996,058,541,952
  5. Step 5: Solve for x
    x = 145,359,996,058,541,952/545,962,638.40
  6. Step 6: Final answer
    x = 266,245,317.60

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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.