Home / 877,265,702.67-1,315,888,405.11-213,283,489.80

Finding the Fourth Proportional to 877,265,702.67, 1,315,888,405.11 and 213,283,489.80

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Solution

The fourth proportional to 877,265,702.67, 1,315,888,405.11 and 213,283,489.80 is: 319,922,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,265,702.67 : 1,315,888,405.11 = 213,283,489.80 : x
  2. Step 2: Convert to fraction form
    877,265,702.67/1,315,888,405.11 = 213,283,489.80/x
  3. Step 3: Cross multiply
    877,265,702.67x = 1,315,888,405.11 × 213,283,489.80
  4. Step 4: Simplify right side
    877,265,702.67x = 280,657,271,229,216,960
  5. Step 5: Solve for x
    x = 280,657,271,229,216,960/877,265,702.67
  6. Step 6: Final answer
    x = 319,922,767.27

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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.