Home / 763,406,018.48-1,053,545,409.36-574,901,736.68

Finding the Fourth Proportional to 763,406,018.48, 1,053,545,409.36 and 574,901,736.68

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Solution

The fourth proportional to 763,406,018.48, 1,053,545,409.36 and 574,901,736.68 is: 793,398,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,406,018.48 : 1,053,545,409.36 = 574,901,736.68 : x
  2. Step 2: Convert to fraction form
    763,406,018.48/1,053,545,409.36 = 574,901,736.68/x
  3. Step 3: Cross multiply
    763,406,018.48x = 1,053,545,409.36 × 574,901,736.68
  4. Step 4: Simplify right side
    763,406,018.48x = 605,685,085,512,305,536
  5. Step 5: Solve for x
    x = 605,685,085,512,305,536/763,406,018.48
  6. Step 6: Final answer
    x = 793,398,363.19

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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.