Home / 755,939,640.40-1,133,909,460.60-511,051,627.60

Finding the Fourth Proportional to 755,939,640.40, 1,133,909,460.60 and 511,051,627.60

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Solution

The fourth proportional to 755,939,640.40, 1,133,909,460.60 and 511,051,627.60 is: 766,577,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,939,640.40 : 1,133,909,460.60 = 511,051,627.60 : x
  2. Step 2: Convert to fraction form
    755,939,640.40/1,133,909,460.60 = 511,051,627.60/x
  3. Step 3: Cross multiply
    755,939,640.40x = 1,133,909,460.60 × 511,051,627.60
  4. Step 4: Simplify right side
    755,939,640.40x = 579,486,275,390,668,032
  5. Step 5: Solve for x
    x = 579,486,275,390,668,032/755,939,640.40
  6. Step 6: Final answer
    x = 766,577,441.40

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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.