Home / 702,469,539.23-1,053,295,869.88-265,803,955.70

Finding the Fourth Proportional to 702,469,539.23, 1,053,295,869.88 and 265,803,955.70

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Solution

The fourth proportional to 702,469,539.23, 1,053,295,869.88 and 265,803,955.70 is: 398,551,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,539.23 : 1,053,295,869.88 = 265,803,955.70 : x
  2. Step 2: Convert to fraction form
    702,469,539.23/1,053,295,869.88 = 265,803,955.70/x
  3. Step 3: Cross multiply
    702,469,539.23x = 1,053,295,869.88 × 265,803,955.70
  4. Step 4: Simplify right side
    702,469,539.23x = 279,970,208,731,962,112
  5. Step 5: Solve for x
    x = 279,970,208,731,962,112/702,469,539.23
  6. Step 6: Final answer
    x = 398,551,386.36

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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.