Home / 979,807,729.20-1,467,696,054.60-495,406,474.80

Finding the Fourth Proportional to 979,807,729.20, 1,467,696,054.60 and 495,406,474.80

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Solution

The fourth proportional to 979,807,729.20, 1,467,696,054.60 and 495,406,474.80 is: 742,090,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,807,729.20 : 1,467,696,054.60 = 495,406,474.80 : x
  2. Step 2: Convert to fraction form
    979,807,729.20/1,467,696,054.60 = 495,406,474.80/x
  3. Step 3: Cross multiply
    979,807,729.20x = 1,467,696,054.60 × 495,406,474.80
  4. Step 4: Simplify right side
    979,807,729.20x = 727,106,128,487,254,272
  5. Step 5: Solve for x
    x = 727,106,128,487,254,272/979,807,729.20
  6. Step 6: Final answer
    x = 742,090,623.31

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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.