Home / 403,168,944,365.10-556,373,366,417.18-217,770,652,386.38

Finding the Fourth Proportional to 403,168,944,365.10, 556,373,366,417.18 and 217,770,652,386.38

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Solution

The fourth proportional to 403,168,944,365.10, 556,373,366,417.18 and 217,770,652,386.38 is: 300,523,620,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168,944,365.10 : 556,373,366,417.18 = 217,770,652,386.38 : x
  2. Step 2: Convert to fraction form
    403,168,944,365.10/556,373,366,417.18 = 217,770,652,386.38/x
  3. Step 3: Cross multiply
    403,168,944,365.10x = 556,373,366,417.18 × 217,770,652,386.38
  4. Step 4: Simplify right side
    403,168,944,365.10x = 121,161,790,975,075,753,656,320
  5. Step 5: Solve for x
    x = 121,161,790,975,075,753,656,320/403,168,944,365.10
  6. Step 6: Final answer
    x = 300,523,620,850.51

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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.