Home / 493,198,929.93-680,609,099.18-267,132,289.40

Finding the Fourth Proportional to 493,198,929.93, 680,609,099.18 and 267,132,289.40

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Solution

The fourth proportional to 493,198,929.93, 680,609,099.18 and 267,132,289.40 is: 368,639,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,198,929.93 : 680,609,099.18 = 267,132,289.40 : x
  2. Step 2: Convert to fraction form
    493,198,929.93/680,609,099.18 = 267,132,289.40/x
  3. Step 3: Cross multiply
    493,198,929.93x = 680,609,099.18 × 267,132,289.40
  4. Step 4: Simplify right side
    493,198,929.93x = 181,812,666,845,686,336
  5. Step 5: Solve for x
    x = 181,812,666,845,686,336/493,198,929.93
  6. Step 6: Final answer
    x = 368,639,621.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.