Home / 840,281,096.67-1,260,426,444.33-348,994,366.60

Finding the Fourth Proportional to 840,281,096.67, 1,260,426,444.33 and 348,994,366.60

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Solution

The fourth proportional to 840,281,096.67, 1,260,426,444.33 and 348,994,366.60 is: 523,493,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,281,096.67 : 1,260,426,444.33 = 348,994,366.60 : x
  2. Step 2: Convert to fraction form
    840,281,096.67/1,260,426,444.33 = 348,994,366.60/x
  3. Step 3: Cross multiply
    840,281,096.67x = 1,260,426,444.33 × 348,994,366.60
  4. Step 4: Simplify right side
    840,281,096.67x = 439,881,728,588,715,648
  5. Step 5: Solve for x
    x = 439,881,728,588,715,648/840,281,096.67
  6. Step 6: Final answer
    x = 523,493,543.21

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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.