Home / 977,072,002.60-1,465,608,003.90-517,906,978.60

Finding the Fourth Proportional to 977,072,002.60, 1,465,608,003.90 and 517,906,978.60

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Solution

The fourth proportional to 977,072,002.60, 1,465,608,003.90 and 517,906,978.60 is: 776,860,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,072,002.60 : 1,465,608,003.90 = 517,906,978.60 : x
  2. Step 2: Convert to fraction form
    977,072,002.60/1,465,608,003.90 = 517,906,978.60/x
  3. Step 3: Cross multiply
    977,072,002.60x = 1,465,608,003.90 × 517,906,978.60
  4. Step 4: Simplify right side
    977,072,002.60x = 759,048,613,111,826,048
  5. Step 5: Solve for x
    x = 759,048,613,111,826,048/977,072,002.60
  6. Step 6: Final answer
    x = 776,860,467.90

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1.5x scale

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.