Home / 1,136,706,825.60-1,705,060,238.40-769,374,806.40

Finding the Fourth Proportional to 1,136,706,825.60, 1,705,060,238.40 and 769,374,806.40

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Solution

The fourth proportional to 1,136,706,825.60, 1,705,060,238.40 and 769,374,806.40 is: 1,154,062,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,706,825.60 : 1,705,060,238.40 = 769,374,806.40 : x
  2. Step 2: Convert to fraction form
    1,136,706,825.60/1,705,060,238.40 = 769,374,806.40/x
  3. Step 3: Cross multiply
    1,136,706,825.60x = 1,705,060,238.40 × 769,374,806.40
  4. Step 4: Simplify right side
    1,136,706,825.60x = 1,311,830,390,819,337,984
  5. Step 5: Solve for x
    x = 1,311,830,390,819,337,984/1,136,706,825.60
  6. Step 6: Final answer
    x = 1,154,062,209.60

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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.