Home / 977,072,134.60-1,465,608,201.90-517,907,110.60

Finding the Fourth Proportional to 977,072,134.60, 1,465,608,201.90 and 517,907,110.60

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Solution

The fourth proportional to 977,072,134.60, 1,465,608,201.90 and 517,907,110.60 is: 776,860,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,072,134.60 : 1,465,608,201.90 = 517,907,110.60 : x
  2. Step 2: Convert to fraction form
    977,072,134.60/1,465,608,201.90 = 517,907,110.60/x
  3. Step 3: Cross multiply
    977,072,134.60x = 1,465,608,201.90 × 517,907,110.60
  4. Step 4: Simplify right side
    977,072,134.60x = 759,048,909,117,690,496
  5. Step 5: Solve for x
    x = 759,048,909,117,690,496/977,072,134.60
  6. Step 6: Final answer
    x = 776,860,665.90

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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.