Home / 549,612,014.80-824,418,022.20-186,106,370.80

Finding the Fourth Proportional to 549,612,014.80, 824,418,022.20 and 186,106,370.80

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Solution

The fourth proportional to 549,612,014.80, 824,418,022.20 and 186,106,370.80 is: 279,159,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,612,014.80 : 824,418,022.20 = 186,106,370.80 : x
  2. Step 2: Convert to fraction form
    549,612,014.80/824,418,022.20 = 186,106,370.80/x
  3. Step 3: Cross multiply
    549,612,014.80x = 824,418,022.20 × 186,106,370.80
  4. Step 4: Simplify right side
    549,612,014.80x = 153,429,446,133,755,840
  5. Step 5: Solve for x
    x = 153,429,446,133,755,840/549,612,014.80
  6. Step 6: Final answer
    x = 279,159,556.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.