Home / 997,308,109.47-1,376,421,901.61-573,913,074.27

Finding the Fourth Proportional to 997,308,109.47, 1,376,421,901.61 and 573,913,074.27

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Solution

The fourth proportional to 997,308,109.47, 1,376,421,901.61 and 573,913,074.27 is: 792,078,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,308,109.47 : 1,376,421,901.61 = 573,913,074.27 : x
  2. Step 2: Convert to fraction form
    997,308,109.47/1,376,421,901.61 = 573,913,074.27/x
  3. Step 3: Cross multiply
    997,308,109.47x = 1,376,421,901.61 × 573,913,074.27
  4. Step 4: Simplify right side
    997,308,109.47x = 789,946,525,042,684,928
  5. Step 5: Solve for x
    x = 789,946,525,042,684,928/997,308,109.47
  6. Step 6: Final answer
    x = 792,078,714.23

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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.