Home / 464,550,280.40-696,825,420.60-257,926,019.60

Finding the Fourth Proportional to 464,550,280.40, 696,825,420.60 and 257,926,019.60

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Solution

The fourth proportional to 464,550,280.40, 696,825,420.60 and 257,926,019.60 is: 386,889,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,550,280.40 : 696,825,420.60 = 257,926,019.60 : x
  2. Step 2: Convert to fraction form
    464,550,280.40/696,825,420.60 = 257,926,019.60/x
  3. Step 3: Cross multiply
    464,550,280.40x = 696,825,420.60 × 257,926,019.60
  4. Step 4: Simplify right side
    464,550,280.40x = 179,729,407,091,453,856
  5. Step 5: Solve for x
    x = 179,729,407,091,453,856/464,550,280.40
  6. Step 6: Final answer
    x = 386,889,029.40

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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.