Home / 782,406,102.80-1,173,609,154.20-723,283,619.60

Finding the Fourth Proportional to 782,406,102.80, 1,173,609,154.20 and 723,283,619.60

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Solution

The fourth proportional to 782,406,102.80, 1,173,609,154.20 and 723,283,619.60 is: 1,084,925,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,406,102.80 : 1,173,609,154.20 = 723,283,619.60 : x
  2. Step 2: Convert to fraction form
    782,406,102.80/1,173,609,154.20 = 723,283,619.60/x
  3. Step 3: Cross multiply
    782,406,102.80x = 1,173,609,154.20 × 723,283,619.60
  4. Step 4: Simplify right side
    782,406,102.80x = 848,852,277,045,470,592
  5. Step 5: Solve for x
    x = 848,852,277,045,470,592/782,406,102.80
  6. Step 6: Final answer
    x = 1,084,925,429.40

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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.