Home / 399,371,427.60-598,773,706.20-153,633,109.20

Finding the Fourth Proportional to 399,371,427.60, 598,773,706.20 and 153,633,109.20

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Solution

The fourth proportional to 399,371,427.60, 598,773,706.20 and 153,633,109.20 is: 230,340,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,371,427.60 : 598,773,706.20 = 153,633,109.20 : x
  2. Step 2: Convert to fraction form
    399,371,427.60/598,773,706.20 = 153,633,109.20/x
  3. Step 3: Cross multiply
    399,371,427.60x = 598,773,706.20 × 153,633,109.20
  4. Step 4: Simplify right side
    399,371,427.60x = 91,991,466,190,713,312
  5. Step 5: Solve for x
    x = 91,991,466,190,713,312/399,371,427.60
  6. Step 6: Final answer
    x = 230,340,629.88

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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.