Home / 404,756,059.78-558,563,549.66-219,117,075.67

Finding the Fourth Proportional to 404,756,059.78, 558,563,549.66 and 219,117,075.67

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Solution

The fourth proportional to 404,756,059.78, 558,563,549.66 and 219,117,075.67 is: 302,381,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,756,059.78 : 558,563,549.66 = 219,117,075.67 : x
  2. Step 2: Convert to fraction form
    404,756,059.78/558,563,549.66 = 219,117,075.67/x
  3. Step 3: Cross multiply
    404,756,059.78x = 558,563,549.66 × 219,117,075.67
  4. Step 4: Simplify right side
    404,756,059.78x = 122,390,811,577,354,016
  5. Step 5: Solve for x
    x = 122,390,811,577,354,016/404,756,059.78
  6. Step 6: Final answer
    x = 302,381,665.75

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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.