Home / 1,503,613,422,781.20-2,074,986,747,281.10-818,506,349,747.60

Finding the Fourth Proportional to 1,503,613,422,781.20, 2,074,986,747,281.10 and 818,506,349,747.60

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Solution

The fourth proportional to 1,503,613,422,781.20, 2,074,986,747,281.10 and 818,506,349,747.60 is: 1,129,538,884,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,613,422,781.20 : 2,074,986,747,281.10 = 818,506,349,747.60 : x
  2. Step 2: Convert to fraction form
    1,503,613,422,781.20/2,074,986,747,281.10 = 818,506,349,747.60/x
  3. Step 3: Cross multiply
    1,503,613,422,781.20x = 2,074,986,747,281.10 × 818,506,349,747.60
  4. Step 4: Simplify right side
    1,503,613,422,781.20x = 1,698,389,828,291,698,907,676,672
  5. Step 5: Solve for x
    x = 1,698,389,828,291,698,907,676,672/1,503,613,422,781.20
  6. Step 6: Final answer
    x = 1,129,538,884,502.79

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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.