Home / 1,152,605,843.68-1,590,596,596.46-623,969,829.76

Finding the Fourth Proportional to 1,152,605,843.68, 1,590,596,596.46 and 623,969,829.76

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Solution

The fourth proportional to 1,152,605,843.68, 1,590,596,596.46 and 623,969,829.76 is: 861,078,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,605,843.68 : 1,590,596,596.46 = 623,969,829.76 : x
  2. Step 2: Convert to fraction form
    1,152,605,843.68/1,590,596,596.46 = 623,969,829.76/x
  3. Step 3: Cross multiply
    1,152,605,843.68x = 1,590,596,596.46 × 623,969,829.76
  4. Step 4: Simplify right side
    1,152,605,843.68x = 992,484,287,509,981,568
  5. Step 5: Solve for x
    x = 992,484,287,509,981,568/1,152,605,843.68
  6. Step 6: Final answer
    x = 861,078,653.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.