Home / 294,872,280.60-442,308,420.90-276,696,998.40

Finding the Fourth Proportional to 294,872,280.60, 442,308,420.90 and 276,696,998.40

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Solution

The fourth proportional to 294,872,280.60, 442,308,420.90 and 276,696,998.40 is: 415,045,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,872,280.60 : 442,308,420.90 = 276,696,998.40 : x
  2. Step 2: Convert to fraction form
    294,872,280.60/442,308,420.90 = 276,696,998.40/x
  3. Step 3: Cross multiply
    294,872,280.60x = 442,308,420.90 × 276,696,998.40
  4. Step 4: Simplify right side
    294,872,280.60x = 122,385,412,430,073,808
  5. Step 5: Solve for x
    x = 122,385,412,430,073,808/294,872,280.60
  6. Step 6: Final answer
    x = 415,045,497.60

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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.