Home / 397,281,958,584.48-548,966,256,570.64-282,897,996,342.48

Finding the Fourth Proportional to 397,281,958,584.48, 548,966,256,570.64 and 282,897,996,342.48

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Solution

The fourth proportional to 397,281,958,584.48, 548,966,256,570.64 and 282,897,996,342.48 is: 390,909,908,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,281,958,584.48 : 548,966,256,570.64 = 282,897,996,342.48 : x
  2. Step 2: Convert to fraction form
    397,281,958,584.48/548,966,256,570.64 = 282,897,996,342.48/x
  3. Step 3: Cross multiply
    397,281,958,584.48x = 548,966,256,570.64 × 282,897,996,342.48
  4. Step 4: Simplify right side
    397,281,958,584.48x = 155,301,454,043,465,849,503,744
  5. Step 5: Solve for x
    x = 155,301,454,043,465,849,503,744/397,281,958,584.48
  6. Step 6: Final answer
    x = 390,909,908,410.66

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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.