Home / 278,762,077.60-418,143,116.40-233,412,445.60

Finding the Fourth Proportional to 278,762,077.60, 418,143,116.40 and 233,412,445.60

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Solution

The fourth proportional to 278,762,077.60, 418,143,116.40 and 233,412,445.60 is: 350,118,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,762,077.60 : 418,143,116.40 = 233,412,445.60 : x
  2. Step 2: Convert to fraction form
    278,762,077.60/418,143,116.40 = 233,412,445.60/x
  3. Step 3: Cross multiply
    278,762,077.60x = 418,143,116.40 × 233,412,445.60
  4. Step 4: Simplify right side
    278,762,077.60x = 97,599,807,409,729,456
  5. Step 5: Solve for x
    x = 97,599,807,409,729,456/278,762,077.60
  6. Step 6: Final answer
    x = 350,118,668.40

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1.5x scale

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.