Home / 1,719,631,863.52-2,575,666,885.38-1,421,144,154.88

Finding the Fourth Proportional to 1,719,631,863.52, 2,575,666,885.38 and 1,421,144,154.88

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Solution

The fourth proportional to 1,719,631,863.52, 2,575,666,885.38 and 1,421,144,154.88 is: 2,128,591,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,631,863.52 : 2,575,666,885.38 = 1,421,144,154.88 : x
  2. Step 2: Convert to fraction form
    1,719,631,863.52/2,575,666,885.38 = 1,421,144,154.88/x
  3. Step 3: Cross multiply
    1,719,631,863.52x = 2,575,666,885.38 × 1,421,144,154.88
  4. Step 4: Simplify right side
    1,719,631,863.52x = 3,660,393,939,075,762,176
  5. Step 5: Solve for x
    x = 3,660,393,939,075,762,176/1,719,631,863.52
  6. Step 6: Final answer
    x = 2,128,591,599.59

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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.