Home / 515,833,667.70-773,750,501.55-486,272,426.10

Finding the Fourth Proportional to 515,833,667.70, 773,750,501.55 and 486,272,426.10

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Solution

The fourth proportional to 515,833,667.70, 773,750,501.55 and 486,272,426.10 is: 729,408,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,833,667.70 : 773,750,501.55 = 486,272,426.10 : x
  2. Step 2: Convert to fraction form
    515,833,667.70/773,750,501.55 = 486,272,426.10/x
  3. Step 3: Cross multiply
    515,833,667.70x = 773,750,501.55 × 486,272,426.10
  4. Step 4: Simplify right side
    515,833,667.70x = 376,253,533,584,810,304
  5. Step 5: Solve for x
    x = 376,253,533,584,810,304/515,833,667.70
  6. Step 6: Final answer
    x = 729,408,639.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.