Home / 970,241,526.90-1,455,362,290.35-280,171,293.30

Finding the Fourth Proportional to 970,241,526.90, 1,455,362,290.35 and 280,171,293.30

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Solution

The fourth proportional to 970,241,526.90, 1,455,362,290.35 and 280,171,293.30 is: 420,256,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,241,526.90 : 1,455,362,290.35 = 280,171,293.30 : x
  2. Step 2: Convert to fraction form
    970,241,526.90/1,455,362,290.35 = 280,171,293.30/x
  3. Step 3: Cross multiply
    970,241,526.90x = 1,455,362,290.35 × 280,171,293.30
  4. Step 4: Simplify right side
    970,241,526.90x = 407,750,735,107,409,600
  5. Step 5: Solve for x
    x = 407,750,735,107,409,600/970,241,526.90
  6. Step 6: Final answer
    x = 420,256,939.95

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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.