Home / 435,694,443.20-653,541,664.80-402,438,046.40

Finding the Fourth Proportional to 435,694,443.20, 653,541,664.80 and 402,438,046.40

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Solution

The fourth proportional to 435,694,443.20, 653,541,664.80 and 402,438,046.40 is: 603,657,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,694,443.20 : 653,541,664.80 = 402,438,046.40 : x
  2. Step 2: Convert to fraction form
    435,694,443.20/653,541,664.80 = 402,438,046.40/x
  3. Step 3: Cross multiply
    435,694,443.20x = 653,541,664.80 × 402,438,046.40
  4. Step 4: Simplify right side
    435,694,443.20x = 263,010,030,823,115,616
  5. Step 5: Solve for x
    x = 263,010,030,823,115,616/435,694,443.20
  6. Step 6: Final answer
    x = 603,657,069.60

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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.