Home / 380,415,303,580.08-524,973,456,649.08-209,140,149,100.08

Finding the Fourth Proportional to 380,415,303,580.08, 524,973,456,649.08 and 209,140,149,100.08

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Solution

The fourth proportional to 380,415,303,580.08, 524,973,456,649.08 and 209,140,149,100.08 is: 288,613,591,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,415,303,580.08 : 524,973,456,649.08 = 209,140,149,100.08 : x
  2. Step 2: Convert to fraction form
    380,415,303,580.08/524,973,456,649.08 = 209,140,149,100.08/x
  3. Step 3: Cross multiply
    380,415,303,580.08x = 524,973,456,649.08 × 209,140,149,100.08
  4. Step 4: Simplify right side
    380,415,303,580.08x = 109,793,026,997,172,974,911,488
  5. Step 5: Solve for x
    x = 109,793,026,997,172,974,911,488/380,415,303,580.08
  6. Step 6: Final answer
    x = 288,613,591,419.47

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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.