Home / 830,151,266.60-1,145,608,999.36-453,809,501.78

Finding the Fourth Proportional to 830,151,266.60, 1,145,608,999.36 and 453,809,501.78

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Solution

The fourth proportional to 830,151,266.60, 1,145,608,999.36 and 453,809,501.78 is: 626,257,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,151,266.60 : 1,145,608,999.36 = 453,809,501.78 : x
  2. Step 2: Convert to fraction form
    830,151,266.60/1,145,608,999.36 = 453,809,501.78/x
  3. Step 3: Cross multiply
    830,151,266.60x = 1,145,608,999.36 × 453,809,501.78
  4. Step 4: Simplify right side
    830,151,266.60x = 519,888,249,227,383,360
  5. Step 5: Solve for x
    x = 519,888,249,227,383,360/830,151,266.60
  6. Step 6: Final answer
    x = 626,257,249.90

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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.