Home / 10,141,852,952.10-15,212,779,428.15-2,780,851,851.30

Finding the Fourth Proportional to 10,141,852,952.10, 15,212,779,428.15 and 2,780,851,851.30

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Solution

The fourth proportional to 10,141,852,952.10, 15,212,779,428.15 and 2,780,851,851.30 is: 4,171,277,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141,852,952.10 : 15,212,779,428.15 = 2,780,851,851.30 : x
  2. Step 2: Convert to fraction form
    10,141,852,952.10/15,212,779,428.15 = 2,780,851,851.30/x
  3. Step 3: Cross multiply
    10,141,852,952.10x = 15,212,779,428.15 × 2,780,851,851.30
  4. Step 4: Simplify right side
    10,141,852,952.10x = 42,304,485,836,189,483,008
  5. Step 5: Solve for x
    x = 42,304,485,836,189,483,008/10,141,852,952.10
  6. Step 6: Final answer
    x = 4,171,277,776.95

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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.