Home / 1,228,343,452.60-1,695,113,839.39-671,428,723.72

Finding the Fourth Proportional to 1,228,343,452.60, 1,695,113,839.39 and 671,428,723.72

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Solution

The fourth proportional to 1,228,343,452.60, 1,695,113,839.39 and 671,428,723.72 is: 926,571,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,343,452.60 : 1,695,113,839.39 = 671,428,723.72 : x
  2. Step 2: Convert to fraction form
    1,228,343,452.60/1,695,113,839.39 = 671,428,723.72/x
  3. Step 3: Cross multiply
    1,228,343,452.60x = 1,695,113,839.39 × 671,428,723.72
  4. Step 4: Simplify right side
    1,228,343,452.60x = 1,138,148,121,733,261,312
  5. Step 5: Solve for x
    x = 1,138,148,121,733,261,312/1,228,343,452.60
  6. Step 6: Final answer
    x = 926,571,570.30

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Double scale
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1.5x scale

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.