Home / 1,503,613,422,784.20-2,074,986,747,285.60-818,506,349,750.78

Finding the Fourth Proportional to 1,503,613,422,784.20, 2,074,986,747,285.60 and 818,506,349,750.78

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Solution

The fourth proportional to 1,503,613,422,784.20, 2,074,986,747,285.60 and 818,506,349,750.78 is: 1,129,538,884,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,613,422,784.20 : 2,074,986,747,285.60 = 818,506,349,750.78 : x
  2. Step 2: Convert to fraction form
    1,503,613,422,784.20/2,074,986,747,285.60 = 818,506,349,750.78/x
  3. Step 3: Cross multiply
    1,503,613,422,784.20x = 2,074,986,747,285.60 × 818,506,349,750.78
  4. Step 4: Simplify right side
    1,503,613,422,784.20x = 1,698,389,828,301,980,790,947,840
  5. Step 5: Solve for x
    x = 1,698,389,828,301,980,790,947,840/1,503,613,422,784.20
  6. Step 6: Final answer
    x = 1,129,538,884,507.37

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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.