Home / 853,924,201.83-1,280,989,952.37-240,508,427.58

Finding the Fourth Proportional to 853,924,201.83, 1,280,989,952.37 and 240,508,427.58

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Solution

The fourth proportional to 853,924,201.83, 1,280,989,952.37 and 240,508,427.58 is: 360,791,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,924,201.83 : 1,280,989,952.37 = 240,508,427.58 : x
  2. Step 2: Convert to fraction form
    853,924,201.83/1,280,989,952.37 = 240,508,427.58/x
  3. Step 3: Cross multiply
    853,924,201.83x = 1,280,989,952.37 × 240,508,427.58
  4. Step 4: Simplify right side
    853,924,201.83x = 308,088,879,190,287,808
  5. Step 5: Solve for x
    x = 308,088,879,190,287,808/853,924,201.83
  6. Step 6: Final answer
    x = 360,791,834.37

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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.