Home / 714,613,486.12-986,173,546.12-413,176,165.11

Finding the Fourth Proportional to 714,613,486.12, 986,173,546.12 and 413,176,165.11

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Solution

The fourth proportional to 714,613,486.12, 986,173,546.12 and 413,176,165.11 is: 570,187,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,613,486.12 : 986,173,546.12 = 413,176,165.11 : x
  2. Step 2: Convert to fraction form
    714,613,486.12/986,173,546.12 = 413,176,165.11/x
  3. Step 3: Cross multiply
    714,613,486.12x = 986,173,546.12 × 413,176,165.11
  4. Step 4: Simplify right side
    714,613,486.12x = 407,463,403,917,758,400
  5. Step 5: Solve for x
    x = 407,463,403,917,758,400/714,613,486.12
  6. Step 6: Final answer
    x = 570,187,117.70

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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.