Home / 8,109,920,182.58-12,168,376,130.43-4,378,470,699.26

Finding the Fourth Proportional to 8,109,920,182.58, 12,168,376,130.43 and 4,378,470,699.26

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Solution

The fourth proportional to 8,109,920,182.58, 12,168,376,130.43 and 4,378,470,699.26 is: 6,569,593,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,920,182.58 : 12,168,376,130.43 = 4,378,470,699.26 : x
  2. Step 2: Convert to fraction form
    8,109,920,182.58/12,168,376,130.43 = 4,378,470,699.26/x
  3. Step 3: Cross multiply
    8,109,920,182.58x = 12,168,376,130.43 × 4,378,470,699.26
  4. Step 4: Simplify right side
    8,109,920,182.58x = 53,278,878,344,601,698,304
  5. Step 5: Solve for x
    x = 53,278,878,344,601,698,304/8,109,920,182.58
  6. Step 6: Final answer
    x = 6,569,593,429.42

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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.