Home / 786,624,801.98-1,085,542,333.01-434,200,859.20

Finding the Fourth Proportional to 786,624,801.98, 1,085,542,333.01 and 434,200,859.20

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Solution

The fourth proportional to 786,624,801.98, 1,085,542,333.01 and 434,200,859.20 is: 599,197,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,624,801.98 : 1,085,542,333.01 = 434,200,859.20 : x
  2. Step 2: Convert to fraction form
    786,624,801.98/1,085,542,333.01 = 434,200,859.20/x
  3. Step 3: Cross multiply
    786,624,801.98x = 1,085,542,333.01 × 434,200,859.20
  4. Step 4: Simplify right side
    786,624,801.98x = 471,343,413,691,706,944
  5. Step 5: Solve for x
    x = 471,343,413,691,706,944/786,624,801.98
  6. Step 6: Final answer
    x = 599,197,244.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.