Home / 497,389,364.70-746,084,047.05-156,987,188.70

Finding the Fourth Proportional to 497,389,364.70, 746,084,047.05 and 156,987,188.70

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Solution

The fourth proportional to 497,389,364.70, 746,084,047.05 and 156,987,188.70 is: 235,480,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,389,364.70 : 746,084,047.05 = 156,987,188.70 : x
  2. Step 2: Convert to fraction form
    497,389,364.70/746,084,047.05 = 156,987,188.70/x
  3. Step 3: Cross multiply
    497,389,364.70x = 746,084,047.05 × 156,987,188.70
  4. Step 4: Simplify right side
    497,389,364.70x = 117,125,637,080,298,016
  5. Step 5: Solve for x
    x = 117,125,637,080,298,016/497,389,364.70
  6. Step 6: Final answer
    x = 235,480,783.05

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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.