Home / 741,636,009.80-1,112,454,014.70-451,072,939.40

Finding the Fourth Proportional to 741,636,009.80, 1,112,454,014.70 and 451,072,939.40

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Solution

The fourth proportional to 741,636,009.80, 1,112,454,014.70 and 451,072,939.40 is: 676,609,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,636,009.80 : 1,112,454,014.70 = 451,072,939.40 : x
  2. Step 2: Convert to fraction form
    741,636,009.80/1,112,454,014.70 = 451,072,939.40/x
  3. Step 3: Cross multiply
    741,636,009.80x = 1,112,454,014.70 × 451,072,939.40
  4. Step 4: Simplify right side
    741,636,009.80x = 501,797,902,358,059,776
  5. Step 5: Solve for x
    x = 501,797,902,358,059,776/741,636,009.80
  6. Step 6: Final answer
    x = 676,609,409.10

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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.