Home / 1,252,585,456,753.70-1,878,109,247,133-486,779,437,663.92

Finding the Fourth Proportional to 1,252,585,456,753.70, 1,878,109,247,133 and 486,779,437,663.92

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Solution

The fourth proportional to 1,252,585,456,753.70, 1,878,109,247,133 and 486,779,437,663.92 is: 729,870,332,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,585,456,753.70 : 1,878,109,247,133 = 486,779,437,663.92 : x
  2. Step 2: Convert to fraction form
    1,252,585,456,753.70/1,878,109,247,133 = 486,779,437,663.92/x
  3. Step 3: Cross multiply
    1,252,585,456,753.70x = 1,878,109,247,133 × 486,779,437,663.92
  4. Step 4: Simplify right side
    1,252,585,456,753.70x = 914,224,963,190,809,870,467,072
  5. Step 5: Solve for x
    x = 914,224,963,190,809,870,467,072/1,252,585,456,753.70
  6. Step 6: Final answer
    x = 729,870,332,009.27

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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.