Home / 876,706,582.44-1,209,812,090.46-480,231,330.60

Finding the Fourth Proportional to 876,706,582.44, 1,209,812,090.46 and 480,231,330.60

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Solution

The fourth proportional to 876,706,582.44, 1,209,812,090.46 and 480,231,330.60 is: 662,695,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,706,582.44 : 1,209,812,090.46 = 480,231,330.60 : x
  2. Step 2: Convert to fraction form
    876,706,582.44/1,209,812,090.46 = 480,231,330.60/x
  3. Step 3: Cross multiply
    876,706,582.44x = 1,209,812,090.46 × 480,231,330.60
  4. Step 4: Simplify right side
    876,706,582.44x = 580,989,669,977,573,376
  5. Step 5: Solve for x
    x = 580,989,669,977,573,376/876,706,582.44
  6. Step 6: Final answer
    x = 662,695,685.89

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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.