Home / 8,392,009,969.05-12,581,809,198.21-5,075,087,130.42

Finding the Fourth Proportional to 8,392,009,969.05, 12,581,809,198.21 and 5,075,087,130.42

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Solution

The fourth proportional to 8,392,009,969.05, 12,581,809,198.21 and 5,075,087,130.42 is: 7,608,877,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,009,969.05 : 12,581,809,198.21 = 5,075,087,130.42 : x
  2. Step 2: Convert to fraction form
    8,392,009,969.05/12,581,809,198.21 = 5,075,087,130.42/x
  3. Step 3: Cross multiply
    8,392,009,969.05x = 12,581,809,198.21 × 5,075,087,130.42
  4. Step 4: Simplify right side
    8,392,009,969.05x = 63,853,777,939,235,545,088
  5. Step 5: Solve for x
    x = 63,853,777,939,235,545,088/8,392,009,969.05
  6. Step 6: Final answer
    x = 7,608,877,750.95

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1.5x scale

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.