Home / 518,148,001.40-776,724,338.10-299,573,972.60

Finding the Fourth Proportional to 518,148,001.40, 776,724,338.10 and 299,573,972.60

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Solution

The fourth proportional to 518,148,001.40, 776,724,338.10 and 299,573,972.60 is: 449,073,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,148,001.40 : 776,724,338.10 = 299,573,972.60 : x
  2. Step 2: Convert to fraction form
    518,148,001.40/776,724,338.10 = 299,573,972.60/x
  3. Step 3: Cross multiply
    518,148,001.40x = 776,724,338.10 × 299,573,972.60
  4. Step 4: Simplify right side
    518,148,001.40x = 232,686,395,579,722,560
  5. Step 5: Solve for x
    x = 232,686,395,579,722,560/518,148,001.40
  6. Step 6: Final answer
    x = 449,073,228.02

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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.