Home / 406,113,849,524.80-560,442,190,794.70-223,230,918,238.30

Finding the Fourth Proportional to 406,113,849,524.80, 560,442,190,794.70 and 223,230,918,238.30

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Solution

The fourth proportional to 406,113,849,524.80, 560,442,190,794.70 and 223,230,918,238.30 is: 308,061,458,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,113,849,524.80 : 560,442,190,794.70 = 223,230,918,238.30 : x
  2. Step 2: Convert to fraction form
    406,113,849,524.80/560,442,190,794.70 = 223,230,918,238.30/x
  3. Step 3: Cross multiply
    406,113,849,524.80x = 560,442,190,794.70 × 223,230,918,238.30
  4. Step 4: Simplify right side
    406,113,849,524.80x = 125,108,024,870,585,392,693,248
  5. Step 5: Solve for x
    x = 125,108,024,870,585,392,693,248/406,113,849,524.80
  6. Step 6: Final answer
    x = 308,061,458,669.72

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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.