Home / 1,392,582,658.60-2,088,430,815.59-459,731,815.63

Finding the Fourth Proportional to 1,392,582,658.60, 2,088,430,815.59 and 459,731,815.63

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Solution

The fourth proportional to 1,392,582,658.60, 2,088,430,815.59 and 459,731,815.63 is: 689,451,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,582,658.60 : 2,088,430,815.59 = 459,731,815.63 : x
  2. Step 2: Convert to fraction form
    1,392,582,658.60/2,088,430,815.59 = 459,731,815.63/x
  3. Step 3: Cross multiply
    1,392,582,658.60x = 2,088,430,815.59 × 459,731,815.63
  4. Step 4: Simplify right side
    1,392,582,658.60x = 960,118,090,663,059,584
  5. Step 5: Solve for x
    x = 960,118,090,663,059,584/1,392,582,658.60
  6. Step 6: Final answer
    x = 689,451,419.44

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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.