Home / 840,105,012.98-1,260,157,519.47-226,688,254.58

Finding the Fourth Proportional to 840,105,012.98, 1,260,157,519.47 and 226,688,254.58

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Solution

The fourth proportional to 840,105,012.98, 1,260,157,519.47 and 226,688,254.58 is: 340,032,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,105,012.98 : 1,260,157,519.47 = 226,688,254.58 : x
  2. Step 2: Convert to fraction form
    840,105,012.98/1,260,157,519.47 = 226,688,254.58/x
  3. Step 3: Cross multiply
    840,105,012.98x = 1,260,157,519.47 × 226,688,254.58
  4. Step 4: Simplify right side
    840,105,012.98x = 285,662,908,584,516,704
  5. Step 5: Solve for x
    x = 285,662,908,584,516,704/840,105,012.98
  6. Step 6: Final answer
    x = 340,032,381.87

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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.