Home / 712,877,069.40-1,069,166,304.90-349,632,115.80

Finding the Fourth Proportional to 712,877,069.40, 1,069,166,304.90 and 349,632,115.80

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Solution

The fourth proportional to 712,877,069.40, 1,069,166,304.90 and 349,632,115.80 is: 524,374,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,877,069.40 : 1,069,166,304.90 = 349,632,115.80 : x
  2. Step 2: Convert to fraction form
    712,877,069.40/1,069,166,304.90 = 349,632,115.80/x
  3. Step 3: Cross multiply
    712,877,069.40x = 1,069,166,304.90 × 349,632,115.80
  4. Step 4: Simplify right side
    712,877,069.40x = 373,814,877,324,254,912
  5. Step 5: Solve for x
    x = 373,814,877,324,254,912/712,877,069.40
  6. Step 6: Final answer
    x = 524,374,949.58

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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.