Home / 781,736,727.20-1,172,306,492.40-236,296,983.20

Finding the Fourth Proportional to 781,736,727.20, 1,172,306,492.40 and 236,296,983.20

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Solution

The fourth proportional to 781,736,727.20, 1,172,306,492.40 and 236,296,983.20 is: 354,355,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,736,727.20 : 1,172,306,492.40 = 236,296,983.20 : x
  2. Step 2: Convert to fraction form
    781,736,727.20/1,172,306,492.40 = 236,296,983.20/x
  3. Step 3: Cross multiply
    781,736,727.20x = 1,172,306,492.40 × 236,296,983.20
  4. Step 4: Simplify right side
    781,736,727.20x = 277,012,487,539,893,728
  5. Step 5: Solve for x
    x = 277,012,487,539,893,728/781,736,727.20
  6. Step 6: Final answer
    x = 354,355,216.92

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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.