Home / 703,658,084.36-971,029,668.30-386,117,354.73

Finding the Fourth Proportional to 703,658,084.36, 971,029,668.30 and 386,117,354.73

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Solution

The fourth proportional to 703,658,084.36, 971,029,668.30 and 386,117,354.73 is: 532,831,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,658,084.36 : 971,029,668.30 = 386,117,354.73 : x
  2. Step 2: Convert to fraction form
    703,658,084.36/971,029,668.30 = 386,117,354.73/x
  3. Step 3: Cross multiply
    703,658,084.36x = 971,029,668.30 × 386,117,354.73
  4. Step 4: Simplify right side
    703,658,084.36x = 374,931,406,888,345,344
  5. Step 5: Solve for x
    x = 374,931,406,888,345,344/703,658,084.36
  6. Step 6: Final answer
    x = 532,831,804.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.