Home / 1,155,861,602.60-1,736,623,559.10-869,207,138.60

Finding the Fourth Proportional to 1,155,861,602.60, 1,736,623,559.10 and 869,207,138.60

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Solution

The fourth proportional to 1,155,861,602.60, 1,736,623,559.10 and 869,207,138.60 is: 1,305,939,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,861,602.60 : 1,736,623,559.10 = 869,207,138.60 : x
  2. Step 2: Convert to fraction form
    1,155,861,602.60/1,736,623,559.10 = 869,207,138.60/x
  3. Step 3: Cross multiply
    1,155,861,602.60x = 1,736,623,559.10 × 869,207,138.60
  4. Step 4: Simplify right side
    1,155,861,602.60x = 1,509,485,594,630,659,072
  5. Step 5: Solve for x
    x = 1,509,485,594,630,659,072/1,155,861,602.60
  6. Step 6: Final answer
    x = 1,305,939,734.68

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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.