Home / 1,152,606,121.63-1,590,596,980.82-623,970,108.29

Finding the Fourth Proportional to 1,152,606,121.63, 1,590,596,980.82 and 623,970,108.29

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Solution

The fourth proportional to 1,152,606,121.63, 1,590,596,980.82 and 623,970,108.29 is: 861,079,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,606,121.63 : 1,590,596,980.82 = 623,970,108.29 : x
  2. Step 2: Convert to fraction form
    1,152,606,121.63/1,590,596,980.82 = 623,970,108.29/x
  3. Step 3: Cross multiply
    1,152,606,121.63x = 1,590,596,980.82 × 623,970,108.29
  4. Step 4: Simplify right side
    1,152,606,121.63x = 992,484,970,371,167,872
  5. Step 5: Solve for x
    x = 992,484,970,371,167,872/1,152,606,121.63
  6. Step 6: Final answer
    x = 861,079,037.97

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Double scale
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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.