Home / 558,573,018.51-770,802,275.97-307,672,009.14

Finding the Fourth Proportional to 558,573,018.51, 770,802,275.97 and 307,672,009.14

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Solution

The fourth proportional to 558,573,018.51, 770,802,275.97 and 307,672,009.14 is: 424,571,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,573,018.51 : 770,802,275.97 = 307,672,009.14 : x
  2. Step 2: Convert to fraction form
    558,573,018.51/770,802,275.97 = 307,672,009.14/x
  3. Step 3: Cross multiply
    558,573,018.51x = 770,802,275.97 × 307,672,009.14
  4. Step 4: Simplify right side
    558,573,018.51x = 237,154,284,897,374,656
  5. Step 5: Solve for x
    x = 237,154,284,897,374,656/558,573,018.51
  6. Step 6: Final answer
    x = 424,571,680.05

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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.