Home / 702,469,539.10-1,053,295,869.69-265,803,955.57

Finding the Fourth Proportional to 702,469,539.10, 1,053,295,869.69 and 265,803,955.57

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Solution

The fourth proportional to 702,469,539.10, 1,053,295,869.69 and 265,803,955.57 is: 398,551,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,539.10 : 1,053,295,869.69 = 265,803,955.57 : x
  2. Step 2: Convert to fraction form
    702,469,539.10/1,053,295,869.69 = 265,803,955.57/x
  3. Step 3: Cross multiply
    702,469,539.10x = 1,053,295,869.69 × 265,803,955.57
  4. Step 4: Simplify right side
    702,469,539.10x = 279,970,208,550,461,888
  5. Step 5: Solve for x
    x = 279,970,208,550,461,888/702,469,539.10
  6. Step 6: Final answer
    x = 398,551,386.17

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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.