Home / 555,936,679.40-766,873,870.98-346,729,615.40

Finding the Fourth Proportional to 555,936,679.40, 766,873,870.98 and 346,729,615.40

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Solution

The fourth proportional to 555,936,679.40, 766,873,870.98 and 346,729,615.40 is: 478,288,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,936,679.40 : 766,873,870.98 = 346,729,615.40 : x
  2. Step 2: Convert to fraction form
    555,936,679.40/766,873,870.98 = 346,729,615.40/x
  3. Step 3: Cross multiply
    555,936,679.40x = 766,873,870.98 × 346,729,615.40
  4. Step 4: Simplify right side
    555,936,679.40x = 265,897,882,345,204,608
  5. Step 5: Solve for x
    x = 265,897,882,345,204,608/555,936,679.40
  6. Step 6: Final answer
    x = 478,288,071.64

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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.