Home / 570,816,822,251.20-787,742,144,126.58-310,409,761,636.34

Finding the Fourth Proportional to 570,816,822,251.20, 787,742,144,126.58 and 310,409,761,636.34

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Solution

The fourth proportional to 570,816,822,251.20, 787,742,144,126.58 and 310,409,761,636.34 is: 428,373,589,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,816,822,251.20 : 787,742,144,126.58 = 310,409,761,636.34 : x
  2. Step 2: Convert to fraction form
    570,816,822,251.20/787,742,144,126.58 = 310,409,761,636.34/x
  3. Step 3: Cross multiply
    570,816,822,251.20x = 787,742,144,126.58 × 310,409,761,636.34
  4. Step 4: Simplify right side
    570,816,822,251.20x = 244,522,851,189,231,087,255,552
  5. Step 5: Solve for x
    x = 244,522,851,189,231,087,255,552/570,816,822,251.20
  6. Step 6: Final answer
    x = 428,373,589,665.55

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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.