Home / 692,717,564.16-955,587,810.78-428,315,037.84

Finding the Fourth Proportional to 692,717,564.16, 955,587,810.78 and 428,315,037.84

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Solution

The fourth proportional to 692,717,564.16, 955,587,810.78 and 428,315,037.84 is: 590,850,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,717,564.16 : 955,587,810.78 = 428,315,037.84 : x
  2. Step 2: Convert to fraction form
    692,717,564.16/955,587,810.78 = 428,315,037.84/x
  3. Step 3: Cross multiply
    692,717,564.16x = 955,587,810.78 × 428,315,037.84
  4. Step 4: Simplify right side
    692,717,564.16x = 409,292,629,333,678,400
  5. Step 5: Solve for x
    x = 409,292,629,333,678,400/692,717,564.16
  6. Step 6: Final answer
    x = 590,850,659.07

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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.