Home / 434,599,711.80-651,899,567.70-143,511,761.40

Finding the Fourth Proportional to 434,599,711.80, 651,899,567.70 and 143,511,761.40

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Solution

The fourth proportional to 434,599,711.80, 651,899,567.70 and 143,511,761.40 is: 215,267,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,599,711.80 : 651,899,567.70 = 143,511,761.40 : x
  2. Step 2: Convert to fraction form
    434,599,711.80/651,899,567.70 = 143,511,761.40/x
  3. Step 3: Cross multiply
    434,599,711.80x = 651,899,567.70 × 143,511,761.40
  4. Step 4: Simplify right side
    434,599,711.80x = 93,555,255,216,525,552
  5. Step 5: Solve for x
    x = 93,555,255,216,525,552/434,599,711.80
  6. Step 6: Final answer
    x = 215,267,642.10

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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.