Home / 476,857,820.74-715,320,781.73-127,102,056.57

Finding the Fourth Proportional to 476,857,820.74, 715,320,781.73 and 127,102,056.57

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Solution

The fourth proportional to 476,857,820.74, 715,320,781.73 and 127,102,056.57 is: 190,662,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,857,820.74 : 715,320,781.73 = 127,102,056.57 : x
  2. Step 2: Convert to fraction form
    476,857,820.74/715,320,781.73 = 127,102,056.57/x
  3. Step 3: Cross multiply
    476,857,820.74x = 715,320,781.73 × 127,102,056.57
  4. Step 4: Simplify right side
    476,857,820.74x = 90,918,742,465,143,072
  5. Step 5: Solve for x
    x = 90,918,742,465,143,072/476,857,820.74
  6. Step 6: Final answer
    x = 190,662,160.73

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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.