Home / 840,281,102.59-1,260,426,453.19-348,994,372.52

Finding the Fourth Proportional to 840,281,102.59, 1,260,426,453.19 and 348,994,372.52

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Solution

The fourth proportional to 840,281,102.59, 1,260,426,453.19 and 348,994,372.52 is: 523,493,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,281,102.59 : 1,260,426,453.19 = 348,994,372.52 : x
  2. Step 2: Convert to fraction form
    840,281,102.59/1,260,426,453.19 = 348,994,372.52/x
  3. Step 3: Cross multiply
    840,281,102.59x = 1,260,426,453.19 × 348,994,372.52
  4. Step 4: Simplify right side
    840,281,102.59x = 439,881,739,135,789,952
  5. Step 5: Solve for x
    x = 439,881,739,135,789,952/840,281,102.59
  6. Step 6: Final answer
    x = 523,493,552.07

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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.