Home / 555,936,678.40-766,873,869.60-346,729,614.40

Finding the Fourth Proportional to 555,936,678.40, 766,873,869.60 and 346,729,614.40

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Solution

The fourth proportional to 555,936,678.40, 766,873,869.60 and 346,729,614.40 is: 478,288,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,936,678.40 : 766,873,869.60 = 346,729,614.40 : x
  2. Step 2: Convert to fraction form
    555,936,678.40/766,873,869.60 = 346,729,614.40/x
  3. Step 3: Cross multiply
    555,936,678.40x = 766,873,869.60 × 346,729,614.40
  4. Step 4: Simplify right side
    555,936,678.40x = 265,897,881,099,843,872
  5. Step 5: Solve for x
    x = 265,897,881,099,843,872/555,936,678.40
  6. Step 6: Final answer
    x = 478,288,070.26

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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.