Home / 1,047,329,089.72-1,571,376,704.48-487,357,984.64

Finding the Fourth Proportional to 1,047,329,089.72, 1,571,376,704.48 and 487,357,984.64

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Solution

The fourth proportional to 1,047,329,089.72, 1,571,376,704.48 and 487,357,984.64 is: 731,215,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,329,089.72 : 1,571,376,704.48 = 487,357,984.64 : x
  2. Step 2: Convert to fraction form
    1,047,329,089.72/1,571,376,704.48 = 487,357,984.64/x
  3. Step 3: Cross multiply
    1,047,329,089.72x = 1,571,376,704.48 × 487,357,984.64
  4. Step 4: Simplify right side
    1,047,329,089.72x = 765,822,983,805,617,664
  5. Step 5: Solve for x
    x = 765,822,983,805,617,664/1,047,329,089.72
  6. Step 6: Final answer
    x = 731,215,232.46

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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.