Home / 929,800,666.30-1,283,124,942.90-512,112,951.60

Finding the Fourth Proportional to 929,800,666.30, 1,283,124,942.90 and 512,112,951.60

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Solution

The fourth proportional to 929,800,666.30, 1,283,124,942.90 and 512,112,951.60 is: 706,715,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,800,666.30 : 1,283,124,942.90 = 512,112,951.60 : x
  2. Step 2: Convert to fraction form
    929,800,666.30/1,283,124,942.90 = 512,112,951.60/x
  3. Step 3: Cross multiply
    929,800,666.30x = 1,283,124,942.90 × 512,112,951.60
  4. Step 4: Simplify right side
    929,800,666.30x = 657,104,901,777,539,968
  5. Step 5: Solve for x
    x = 657,104,901,777,539,968/929,800,666.30
  6. Step 6: Final answer
    x = 706,715,886.10

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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.