Home / 403,380,473.70-605,070,710.55-394,877,417.70

Finding the Fourth Proportional to 403,380,473.70, 605,070,710.55 and 394,877,417.70

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Solution

The fourth proportional to 403,380,473.70, 605,070,710.55 and 394,877,417.70 is: 592,316,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,380,473.70 : 605,070,710.55 = 394,877,417.70 : x
  2. Step 2: Convert to fraction form
    403,380,473.70/605,070,710.55 = 394,877,417.70/x
  3. Step 3: Cross multiply
    403,380,473.70x = 605,070,710.55 × 394,877,417.70
  4. Step 4: Simplify right side
    403,380,473.70x = 238,928,759,707,888,128
  5. Step 5: Solve for x
    x = 238,928,759,707,888,128/403,380,473.70
  6. Step 6: Final answer
    x = 592,316,126.55

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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.