Home / 465,348,765.76-642,161,973.16-253,650,941.17

Finding the Fourth Proportional to 465,348,765.76, 642,161,973.16 and 253,650,941.17

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Solution

The fourth proportional to 465,348,765.76, 642,161,973.16 and 253,650,941.17 is: 350,027,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,348,765.76 : 642,161,973.16 = 253,650,941.17 : x
  2. Step 2: Convert to fraction form
    465,348,765.76/642,161,973.16 = 253,650,941.17/x
  3. Step 3: Cross multiply
    465,348,765.76x = 642,161,973.16 × 253,650,941.17
  4. Step 4: Simplify right side
    465,348,765.76x = 162,884,988,875,618,272
  5. Step 5: Solve for x
    x = 162,884,988,875,618,272/465,348,765.76
  6. Step 6: Final answer
    x = 350,027,765.97

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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.