Home / 840,105,014.61-1,260,157,521.92-226,688,256.21

Finding the Fourth Proportional to 840,105,014.61, 1,260,157,521.92 and 226,688,256.21

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Solution

The fourth proportional to 840,105,014.61, 1,260,157,521.92 and 226,688,256.21 is: 340,032,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,105,014.61 : 1,260,157,521.92 = 226,688,256.21 : x
  2. Step 2: Convert to fraction form
    840,105,014.61/1,260,157,521.92 = 226,688,256.21/x
  3. Step 3: Cross multiply
    840,105,014.61x = 1,260,157,521.92 × 226,688,256.21
  4. Step 4: Simplify right side
    840,105,014.61x = 285,662,911,192,826,208
  5. Step 5: Solve for x
    x = 285,662,911,192,826,208/840,105,014.61
  6. Step 6: Final answer
    x = 340,032,384.32

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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.