Home / 1,021,912,776.32-1,532,847,135.72-284,963,033.48

Finding the Fourth Proportional to 1,021,912,776.32, 1,532,847,135.72 and 284,963,033.48

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Solution

The fourth proportional to 1,021,912,776.32, 1,532,847,135.72 and 284,963,033.48 is: 427,438,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,912,776.32 : 1,532,847,135.72 = 284,963,033.48 : x
  2. Step 2: Convert to fraction form
    1,021,912,776.32/1,532,847,135.72 = 284,963,033.48/x
  3. Step 3: Cross multiply
    1,021,912,776.32x = 1,532,847,135.72 × 284,963,033.48
  4. Step 4: Simplify right side
    1,021,912,776.32x = 436,804,769,659,732,608
  5. Step 5: Solve for x
    x = 436,804,769,659,732,608/1,021,912,776.32
  6. Step 6: Final answer
    x = 427,438,407.45

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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.