Home / 1,545,294,468.20-2,317,941,702.30-931,562,781.80

Finding the Fourth Proportional to 1,545,294,468.20, 2,317,941,702.30 and 931,562,781.80

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Solution

The fourth proportional to 1,545,294,468.20, 2,317,941,702.30 and 931,562,781.80 is: 1,397,344,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,294,468.20 : 2,317,941,702.30 = 931,562,781.80 : x
  2. Step 2: Convert to fraction form
    1,545,294,468.20/2,317,941,702.30 = 931,562,781.80/x
  3. Step 3: Cross multiply
    1,545,294,468.20x = 2,317,941,702.30 × 931,562,781.80
  4. Step 4: Simplify right side
    1,545,294,468.20x = 2,159,308,220,244,815,616
  5. Step 5: Solve for x
    x = 2,159,308,220,244,815,616/1,545,294,468.20
  6. Step 6: Final answer
    x = 1,397,344,172.70

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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.