Home / 434,555,420.40-651,833,130.60-261,943,383.60

Finding the Fourth Proportional to 434,555,420.40, 651,833,130.60 and 261,943,383.60

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Solution

The fourth proportional to 434,555,420.40, 651,833,130.60 and 261,943,383.60 is: 392,915,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,555,420.40 : 651,833,130.60 = 261,943,383.60 : x
  2. Step 2: Convert to fraction form
    434,555,420.40/651,833,130.60 = 261,943,383.60/x
  3. Step 3: Cross multiply
    434,555,420.40x = 651,833,130.60 × 261,943,383.60
  4. Step 4: Simplify right side
    434,555,420.40x = 170,743,375,771,944,704
  5. Step 5: Solve for x
    x = 170,743,375,771,944,704/434,555,420.40
  6. Step 6: Final answer
    x = 392,915,075.40

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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.