Home / 782,406,098.80-1,173,609,148.20-723,283,615.60

Finding the Fourth Proportional to 782,406,098.80, 1,173,609,148.20 and 723,283,615.60

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Solution

The fourth proportional to 782,406,098.80, 1,173,609,148.20 and 723,283,615.60 is: 1,084,925,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,406,098.80 : 1,173,609,148.20 = 723,283,615.60 : x
  2. Step 2: Convert to fraction form
    782,406,098.80/1,173,609,148.20 = 723,283,615.60/x
  3. Step 3: Cross multiply
    782,406,098.80x = 1,173,609,148.20 × 723,283,615.60
  4. Step 4: Simplify right side
    782,406,098.80x = 848,852,268,011,332,352
  5. Step 5: Solve for x
    x = 848,852,268,011,332,352/782,406,098.80
  6. Step 6: Final answer
    x = 1,084,925,423.40

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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.