Home / 970,233,743.40-1,455,413,600.70-511,068,719.40

Finding the Fourth Proportional to 970,233,743.40, 1,455,413,600.70 and 511,068,719.40

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Solution

The fourth proportional to 970,233,743.40, 1,455,413,600.70 and 511,068,719.40 is: 766,636,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,233,743.40 : 1,455,413,600.70 = 511,068,719.40 : x
  2. Step 2: Convert to fraction form
    970,233,743.40/1,455,413,600.70 = 511,068,719.40/x
  3. Step 3: Cross multiply
    970,233,743.40x = 1,455,413,600.70 × 511,068,719.40
  4. Step 4: Simplify right side
    970,233,743.40x = 743,816,365,107,091,968
  5. Step 5: Solve for x
    x = 743,816,365,107,091,968/970,233,743.40
  6. Step 6: Final answer
    x = 766,636,256.64

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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.