Home / 657,888,128.22-907,886,682.45-360,483,115.80

Finding the Fourth Proportional to 657,888,128.22, 907,886,682.45 and 360,483,115.80

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Solution

The fourth proportional to 657,888,128.22, 907,886,682.45 and 360,483,115.80 is: 497,467,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,888,128.22 : 907,886,682.45 = 360,483,115.80 : x
  2. Step 2: Convert to fraction form
    657,888,128.22/907,886,682.45 = 360,483,115.80/x
  3. Step 3: Cross multiply
    657,888,128.22x = 907,886,682.45 × 360,483,115.80
  4. Step 4: Simplify right side
    657,888,128.22x = 327,277,820,082,901,184
  5. Step 5: Solve for x
    x = 327,277,820,082,901,184/657,888,128.22
  6. Step 6: Final answer
    x = 497,467,283.64

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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.