Home / 772,700,417.04-1,066,229,791.64-522,349,522.60

Finding the Fourth Proportional to 772,700,417.04, 1,066,229,791.64 and 522,349,522.60

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Solution

The fourth proportional to 772,700,417.04, 1,066,229,791.64 and 522,349,522.60 is: 720,776,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,700,417.04 : 1,066,229,791.64 = 522,349,522.60 : x
  2. Step 2: Convert to fraction form
    772,700,417.04/1,066,229,791.64 = 522,349,522.60/x
  3. Step 3: Cross multiply
    772,700,417.04x = 1,066,229,791.64 × 522,349,522.60
  4. Step 4: Simplify right side
    772,700,417.04x = 556,944,622,645,051,520
  5. Step 5: Solve for x
    x = 556,944,622,645,051,520/772,700,417.04
  6. Step 6: Final answer
    x = 720,776,914.78

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Double scale
Find fourth proportional to 772,700,418.04, 1,066,229,793.02 and 522,349,523.60
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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.