Home / 570,816,822,302.28-787,742,144,197.02-310,409,761,687.38

Finding the Fourth Proportional to 570,816,822,302.28, 787,742,144,197.02 and 310,409,761,687.38

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Solution

The fourth proportional to 570,816,822,302.28, 787,742,144,197.02 and 310,409,761,687.38 is: 428,373,589,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,816,822,302.28 : 787,742,144,197.02 = 310,409,761,687.38 : x
  2. Step 2: Convert to fraction form
    570,816,822,302.28/787,742,144,197.02 = 310,409,761,687.38/x
  3. Step 3: Cross multiply
    570,816,822,302.28x = 787,742,144,197.02 × 310,409,761,687.38
  4. Step 4: Simplify right side
    570,816,822,302.28x = 244,522,851,251,302,726,369,280
  5. Step 5: Solve for x
    x = 244,522,851,251,302,726,369,280/570,816,822,302.28
  6. Step 6: Final answer
    x = 428,373,589,735.96

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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.