Home / 790,545,052.26-1,090,952,203.32-438,174,013.32

Finding the Fourth Proportional to 790,545,052.26, 1,090,952,203.32 and 438,174,013.32

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Solution

The fourth proportional to 790,545,052.26, 1,090,952,203.32 and 438,174,013.32 is: 604,680,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,545,052.26 : 1,090,952,203.32 = 438,174,013.32 : x
  2. Step 2: Convert to fraction form
    790,545,052.26/1,090,952,203.32 = 438,174,013.32/x
  3. Step 3: Cross multiply
    790,545,052.26x = 1,090,952,203.32 × 438,174,013.32
  4. Step 4: Simplify right side
    790,545,052.26x = 478,026,905,269,020,992
  5. Step 5: Solve for x
    x = 478,026,905,269,020,992/790,545,052.26
  6. Step 6: Final answer
    x = 604,680,155.68

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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.