Home / 1,285,000,017.20-1,927,545,708.12-411,487,883.12

Finding the Fourth Proportional to 1,285,000,017.20, 1,927,545,708.12 and 411,487,883.12

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Solution

The fourth proportional to 1,285,000,017.20, 1,927,545,708.12 and 411,487,883.12 is: 617,246,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,000,017.20 : 1,927,545,708.12 = 411,487,883.12 : x
  2. Step 2: Convert to fraction form
    1,285,000,017.20/1,927,545,708.12 = 411,487,883.12/x
  3. Step 3: Cross multiply
    1,285,000,017.20x = 1,927,545,708.12 × 411,487,883.12
  4. Step 4: Simplify right side
    1,285,000,017.20x = 793,161,703,051,340,160
  5. Step 5: Solve for x
    x = 793,161,703,051,340,160/1,285,000,017.20
  6. Step 6: Final answer
    x = 617,246,453.26

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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.