Home / 878,176,012.32-1,315,507,605.90-528,228,904.44

Finding the Fourth Proportional to 878,176,012.32, 1,315,507,605.90 and 528,228,904.44

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Solution

The fourth proportional to 878,176,012.32, 1,315,507,605.90 and 528,228,904.44 is: 791,286,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,176,012.32 : 1,315,507,605.90 = 528,228,904.44 : x
  2. Step 2: Convert to fraction form
    878,176,012.32/1,315,507,605.90 = 528,228,904.44/x
  3. Step 3: Cross multiply
    878,176,012.32x = 1,315,507,605.90 × 528,228,904.44
  4. Step 4: Simplify right side
    878,176,012.32x = 694,889,141,447,044,352
  5. Step 5: Solve for x
    x = 694,889,141,447,044,352/878,176,012.32
  6. Step 6: Final answer
    x = 791,286,862.43

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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.