Home / 545,456,892.51-752,507,672.99-402,744,677.72

Finding the Fourth Proportional to 545,456,892.51, 752,507,672.99 and 402,744,677.72

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Solution

The fourth proportional to 545,456,892.51, 752,507,672.99 and 402,744,677.72 is: 555,623,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,456,892.51 : 752,507,672.99 = 402,744,677.72 : x
  2. Step 2: Convert to fraction form
    545,456,892.51/752,507,672.99 = 402,744,677.72/x
  3. Step 3: Cross multiply
    545,456,892.51x = 752,507,672.99 × 402,744,677.72
  4. Step 4: Simplify right side
    545,456,892.51x = 303,068,460,234,408,448
  5. Step 5: Solve for x
    x = 303,068,460,234,408,448/545,456,892.51
  6. Step 6: Final answer
    x = 555,623,119.62

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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.