Home / 519,912,617.40-779,679,969.30-174,877,500.60

Finding the Fourth Proportional to 519,912,617.40, 779,679,969.30 and 174,877,500.60

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Solution

The fourth proportional to 519,912,617.40, 779,679,969.30 and 174,877,500.60 is: 262,252,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,912,617.40 : 779,679,969.30 = 174,877,500.60 : x
  2. Step 2: Convert to fraction form
    519,912,617.40/779,679,969.30 = 174,877,500.60/x
  3. Step 3: Cross multiply
    519,912,617.40x = 779,679,969.30 × 174,877,500.60
  4. Step 4: Simplify right side
    519,912,617.40x = 136,348,484,299,068,720
  5. Step 5: Solve for x
    x = 136,348,484,299,068,720/519,912,617.40
  6. Step 6: Final answer
    x = 262,252,693.50

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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.