Home / 861,927,735,802.72-1,292,892,848,033.20-351,986,502,887.80

Finding the Fourth Proportional to 861,927,735,802.72, 1,292,892,848,033.20 and 351,986,502,887.80

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Solution

The fourth proportional to 861,927,735,802.72, 1,292,892,848,033.20 and 351,986,502,887.80 is: 527,980,262,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,927,735,802.72 : 1,292,892,848,033.20 = 351,986,502,887.80 : x
  2. Step 2: Convert to fraction form
    861,927,735,802.72/1,292,892,848,033.20 = 351,986,502,887.80/x
  3. Step 3: Cross multiply
    861,927,735,802.72x = 1,292,892,848,033.20 × 351,986,502,887.80
  4. Step 4: Simplify right side
    861,927,735,802.72x = 455,080,832,187,853,904,543,744
  5. Step 5: Solve for x
    x = 455,080,832,187,853,904,543,744/861,927,735,802.72
  6. Step 6: Final answer
    x = 527,980,262,479.93

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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.