Home / 12,733,017,438.31-19,075,047,071.28-7,119,930,039.91

Finding the Fourth Proportional to 12,733,017,438.31, 19,075,047,071.28 and 7,119,930,039.91

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Solution

The fourth proportional to 12,733,017,438.31, 19,075,047,071.28 and 7,119,930,039.91 is: 10,666,207,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733,017,438.31 : 19,075,047,071.28 = 7,119,930,039.91 : x
  2. Step 2: Convert to fraction form
    12,733,017,438.31/19,075,047,071.28 = 7,119,930,039.91/x
  3. Step 3: Cross multiply
    12,733,017,438.31x = 19,075,047,071.28 × 7,119,930,039.91
  4. Step 4: Simplify right side
    12,733,017,438.31x = 135,813,000,655,503,720,448
  5. Step 5: Solve for x
    x = 135,813,000,655,503,720,448/12,733,017,438.31
  6. Step 6: Final answer
    x = 10,666,207,072.56

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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.